1) Apply for Publication

1. ① All manuscripts must be submitted through the online submission system of the Society’s website(http://www. gicancer.or.kr). The peer review afterward is conducted through the system as well.
2. ② Authors should read carefully the checklist posted on the Society's website and submit after checking each items.
3. ③ Only the first author and/or corresponding author can submit the manuscript through the online system.
4. ④ The decision to publish will be made by the editorial board of the journal after the peer review. The board has the right to reject and demand the revision of the submitted manuscripts if the board believes that the manuscripts do not stand to the rules of the regulations.
5. ⑤ The editorial board has the right to revise and edit the styles and structures of submitted manuscripts within the context if necessary.

2) Authorship and Copyright

1. ① Authorship should be based on one of following contri- butions (a) someone who has made substantive intel- lectual contributions to the basic conception and design, or collection/analysis/interpretation of data, (b) someone who has been actively involved in drafting and/or revis- ing the article, or (c) in the final acceptance for publi- cation.
2. ② Upon the submission of manuscripts, all authors must sign and submit the “Copyright Transfer Agreement Form”, and it is not allowed to change the first or corresponding author, or to add or remove coauthor(s) once the manuscript is submitted to the Society.
3. ③ The Copyright Transfer Agreement Form must be sub- mitted via mail(to the main office of the Society), fax, or e-mail as scanned file.
4. ④ The editorial board may return the submitted manu- scripts if they are not correctly composed according to the “checklist” for technical reasons. Authors should revise their manuscripts according to the regulations before resubmission.
5. ⑤ Authors should clearly identify the fact that there is conflict of interest, if any, related to the submitted articles.

3) Principles on overlapping publication

1. ① The Society do not accept any manuscripts that are identical or significantly similar to studies already published or going to be published in other journals.
2. ② It is not allowed for authors to publish their articles already appeared in KJG without permission from the board. Multiple or duplicate publication is only limited to the cases specified in the Uniform Requirements for Manuscripts Submitted to Biomedical Journals(Ann Intern Med 1997;126:36-47). This does not apply to the publication of abstracts or posters.
3. ③ Authors are subject to penalties and/or unfavorable outcomes if unauthorized duplicate publication is discovered.

1) General principles

1. ① The text of original articles is organized in the follow- ing order; title page, English abstract, introduction, subjects and methods, results, discussion, summary, ac- knowledgement, references, figure legends, tables, and figures or images.
2. ② Names and affiliations of authors must appear on the title page only.
3. ③ When a superscript is used at the end of a sentence, the superscript is located after a comma or a period.
   ex) ... followed by a superscript.1,3 (O)
        ... followed by a superscript1,3. (X)

2) Title Page

1. ① The title page should have the following information in order. Article title, authors(affiliation, name), shor- tened title in English, contact information for corres- ponding authors(name, mailing address in Korean and/ or English, telephone and fax numbers, and e-mail address of the author responsible for correspondence about the manuscript)(Do not include authors’ final degree. Names of multiple authors are separated by a comma(,) and insert ‘and’ in front of the last author's name without a comma before it).
2. ② A shortened title must be provided if the article title is longer than 12 words in English. The first letter of all nouns and adjectives of English title should be capitalized. The pages of manuscripts must be num- bered consecutively, beginning on the title page and located at the center of the footer.
3. ③ When authors have multiple affiliations, list the affilia- tion where most of the research was conducted. Other affiliations should be following the major affiliation with superscripts on each of them. The superscripts should be referring to the author of that affiliation.
4. ④ Fund: Authors must declare all financial, if relevant, any editorial assistance received to support the under- lying research project and/or the preparation of the article for submission.
5. ⑤ Conflict of interest: Authors must identify any conflicts of interest related to the manuscript.

3) English Abstract

1. ① Do not state authors’ names and affiliations.
2. ② The abstract must be no more than 250 words and should be composed of Background/Aims, Methods, Results, Conclusions.
3. ③ Abbreviations should follow the conventional rule and citations are not allowed for the abstract.
4. ④ A list of key words no more than five should be provided. Each key word starts with a capitalized letter, separated by a semi colon, and using MeSH terms.

4) Introduction

1. ① Provide a context or background for the study, which must be explicitly related to the aims of the study.
2. ② Deduct research hypothesis systematically and describe the aims of the study briefly and clearly.
3. ③ Do not repeat the contents of the result and discussion in the introduction.

5) Subjects and Methods

1. ① Describe the plan of research, characteristics of subjects, and the length and methods of observation in as much details as possible.
2. ② Indicate that the study has received the permission from the ethical committee for experiments on human subjects, and from animal experiments committee for experiments on animals.
3. ③ When reporting the use of reagents or machine, indi- cate the name of company, city, state, country of the used.
4. ④ The use of the International Standardized(SI) units is encouraged, and the p-value for confidence level should be used in lowercase.

6) Results

1. ① Present authors’ results in a logical and clear way. If experimental results are to be reported, use statistical analyses for biological indices, which often tend to have large standard variations in actual measurements.
2. ② All data in the text must be presented consistently.

7) Discussion

1. ① Explain the result of the study in relation to the hy- potheses mentioned in the introduction, and avoid overlaps with the result session.
2. ② Emphasize the new and important aspects of the study and the conclusions that follow from them in the con- text of the aim of the study.
3. ③ State the shortcommings and limitations of the study.

8) Summary

1. ① For only Korean manuscript, summarize the study with respect to objective(s), subjects and methods, results, and conclusion within 1,000 characters.
2. ② The Korean list of key words should have no more than five words, separated by a semi colon. The order should be identical with the English list of key words.
3. ③ Summary is not necessary for the English manuscript.

9) Acknowledgements

Briefly acknowledge persons who made a genuine contri- bution, yet not active and sufficient enough to be co-authors.

10) References

1. ① References should be numbered consecutively as a superscript in the order in which they are first men- tioned in the text, and listed at the end of the manu- script.
2. ② All references, including documents in Korean, should be written in English.
3. ③ The names of all authors should be cited up to 6 authors; in case there are more than 6 authors, the first three authors should be cited, followed by the expression “, et al.”.
4. ④ Journal titles are abbreviated in accordance with the style of Index Medicus.
5. ⑤ List author’s last name first, followed by the first letter of the first name. ex) Kim YS, Marrelli D, Gupta AK
6. ⑥ Authors are responsible for the correct citation.
7. ⑦ Follow the style of Pub Med for supplementary volumes, online journals, and unpublished manuscripts.
8. ⑧ Examples of reference style:

• ▶ Journal articles
  • 1. Jeon EJ, Lee KM, Jung DY, et al. Clinical characteristics of 17 cases of eosinophilic gastroenteritis. Korean J Gastroenterol 2010;55:361-367.
  • 2. Foroughi S, Foster B, Kim N, et al. Anti-IgE treatment of eosinophil-associated gastrointestinal disorders. J Allergy Clin Immunol 2007;120:594-601.
• ▶ Books
  • 1. Day RA. How to write and publish a scientific paper. 3rd ed. Phoenix: Oryx, 1988.
• ▶ Book chapters
  • 1. Costa M, Mery S. History of diarrhea. In: Smith JR, ed. Medical history and perspective. 2nd ed. New York: Raven, 1987:1-40.
• ▶ Websites
  • 1. National Institute for Clinical Excellence. Dyspepsia: Managing dyspepsia in adults in primary care. www.nice.org/uk/pdf/CG-017fullguideline.pdf, 2004.

11) Figure Legends

1. ① Figures should be numbered consecutively in the order in which they are first mentioned in the text.
2. ② Provide with a subtitle and explanation for the figure in English as brief as one paragraph.
3. ③ When presenting a microphotograph, report stain methods and magnification.

12) Tables

1. ① If possible, do not include more than 7 tables.
2. ② All tables should be written in English and Arabic num- bers only, and avoid repeating the content in the text.
3. ③ Each table should have a clear and self-explanatory title (a form of clause or phrase is encouraged) without a period. Capitalize the first letter of nouns and adjectives.
4. ④ All tables should be numbered consecutively in the order in which they are first mentioned in the text.
5. ⑤ If abbreviations are used, provide with a note showing the original terms at the bottom of the table.
6. ⑥ Footnotes should be indicated by lowercase alphabets in the order of a, b, c, d as a superscript to the item to be further explained. Note should be provided at the bottom of the table.

13) Figures

1. ① If possible, include 7 or less figures, and each figure should be less than 8cm in the width.
2. ② Each figure should be submitted in a separate single file, named as the number of figures. Do not use authors’ names for the file name.
3. ③ Figures should be submitted as photographic-quality digital prints formats, such as JPG, JPEG. The authors should pay for the cost of color-printing the figures in their works.
4. ④ Color images should be at least as fine as 300 dpi, and X-ray films and other black-and-white images at least 600 dpi.
5. ⑤ If a figure has been published previously, acknowledge the original source and submit written permission from the copyright holder to reproduce the figure. The authors should state at the bottom of the figure that they received the permission.

1) Review Articles

Review articles, focused on specific topics of research, are submitted only if requested by the editorial board. The for- mat and structure of review articles follow those of original articles, but authors can change them freely, if necessary.

2) Case Reports

1. ① Title page: Follow the guidelines for original articles.
2. ② Abstract: English abstract should not be longer than 200 words and list key words no more than five.
3. ③ Introduction: Describe briefly the aims and relevant contents of the report.
4. ④ Case: Describe briefly case and other issues that are only directly related to the case.
5. ⑤ Discussion: Avoid an exhaustive literature review, but provide a focused discussion on the aspects of interest that the reported case brings in.
6. ⑥ References: List no more than 20 references.