Definitions

Carcinoid tumor


Overview

A carcinoid tumor often begins in the stomach, appendix, small intestine, colon, rectum, or lungs.

Symptoms

Symptoms often don't appear until late in the disease and are vague. Examples include diarrhea and skin flushing.

Treatments

Treatment includes surgery and medications, such as drugs that block cancer cells from secreting hormones or boost the immune system.