NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,492 terms related to cancer and medicine.

We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.

Browse:
stage III esophageal squamous cell carcinoma
(... ee-SAH-fuh-JEE-ul SKWAY-mus sel KAR-sih-NOH-muh)
Stage III is divided into stages IIIA and IIIB, depending on where the cancer has spread. In stage IIIA, cancer has spread (1) into the mucosa layer, thin muscle layer, or submucosa layer of the esophagus wall. Cancer is found in 3 to 6 lymph nodes near the tumor; or (2) into the thick muscle layer of the esophagus wall. Cancer is found in 1 or 2 lymph nodes near the tumor. In stage IIIB, cancer has spread (1) into the thick muscle layer or the connective tissue layer of the esophagus wall. Cancer is found in 1 to 6 lymph nodes near the tumor; or (2) into the diaphragm, pleura, sac around the heart, azygos vein, or peritoneum. Cancer may be found in 0 to 2 lymph nodes near the tumor.