1. Lung Cancer Tests - US News and World Report
A doctor who suspects lung cancer can use a variety of tests to diagnose the disease.

2. Carcinoid syndrome  (Trust Mark: Doctor-Reviewed)
Carcinoid syndrome is a group of symptoms associated with carcinoid tumors - tumors of the small intestine, colon, appendix, and bronchial tubes in the lungs. • Reviewer: Sean O. Stitham, MD, private practice in Internal Medicine, Seattle, Washington; and James R. Mason, MD, Oncologist, Director, Blood and Marrow Transplantation Program and Stem Cell Processing Lab, Scripps Clinic, Torrey Pines, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

3. Carcinoid Tumors, Gastrointestinal  (Trust Mark: Doctor-Reviewed)
Gastrointestinal carcinoid tumors are rare malignancies in which cancer develops in hormone-producing cells that line the appendix, bronchus, esophagus, intestines, liver, ovary, pancreas, rectum, stomach, testes, and thymus.• Author: Maureen Haggerty