Annals of Coloproctology (Ann Coloproctol, ACP) is the official journal of the Korean Society of Coloproctology (KSCP), the Asia Pacific Federation of Coloproctology (APFCP), and the Unitary Italian Society of Colon-Proctology-ETS (SIUCP-ETS). Established in 1985, ACP became the official journal of APFCP in 2019 and was designated as the official journal of SIUCP-ETS in 2024.

As an international, peer-reviewed, open access journal, ACP aims to contribute to the in-depth development, cure of colorectal diseases, and improvement of public health. The scope of ACP includes basic and clinical research in colorectal surgery, physiology, epidemiology, and pathophysiology. ACP is mainly interested in surgical issues of diseases originating from the lower digestive system such as colon, rectum, anus, and small bowel. These diseases include colorectal cancer, anal cancer, inflammatory bowel disease, benign colonic disease, anorectal disorders, functional diseases, and pelvic floor disorders. In addition, ACP has a regional focus on Asia but welcomes submissions from researchers worldwide.

ACP publishes original articles, reviews, case reports, technical notes, brief communications, guidelines, editorials, letters to the editor, and videos related to the field of coloproctology. ACP is published bimonthly on the last day of February, April, June, August, October, and December.