Carcinoma in situ of colon
Carcinoma in situ of rectosigmoid junction
Carcinoma in situ of rectum
Carcinoma in situ of anus and anal canal
Carcinoma in situ of other and unspecified parts of intestine
Carcinoma in situ of unspecified part of intestine
Carcinoma in situ of other parts of intestine
Carcinoma in situ of liver, gallbladder and bile ducts
Carcinoma in situ of other specified digestive organs
Carcinoma in situ of digestive organ, unspecified