File:Colon cancer 2.jpgEmmanuelm 800×603×8 (111277 bytes) {{Information |Description= [[Colorectal cancer]], [[gross examination|gross]] appearance of an opened [[colectomy]] specimen
File:Colorectal cancer endo 2.jpgEndoscopy image of colon adenocarcinoma in sigmoid colon. Permission obtained from patient to post in public domain. English determination method: SHA-1
File:DigestiveSystemBlank.jpghttp://www.cancer.gov/cancerinfo/wyntk/colon-and-rectum archive copy at the Wayback Machine oesophagus gaster duodenum, jejunum ileum caecum appendix colon rectum