In oncology,<unk> , also<unk>  bowel cancer and cancer of the<unk>  bowel, is a cancer of the<unk><unk> . It is relatively rare compared to other gastrointestinal malignancies such as gastric cancer (stomach cancer) and colorectal cancer.<unk>  can be subdivided into duodenal cancer (the first part of the<unk><unk>  and cancer of the jejunum and ileum (the later two parts of the<unk><unk> .  Several different subtypes of<unk>  exist.  These include:adenocarcinoma,gastrointestinal stromal tumor,lymphomaand carcinoid. Surgery is the most common treatment. Additional options include chemotherapy, radiation therapy or a combination.
Small intestine cancer
Stomach cancer
Pancreatic cancer
Anal cancer
Gastrointestinal varices
Colorectal cancer
Duodenal diverticulum
Appendix cancer