Staging for Oropharynx Cancer

Specific tumor stages for the oropharynx region are as follows:

TX Primary tumor cannot be assessed
T0 No existence of primary tumor
Tis Carcinoma in situ
T1 Tumor 2 cm or less in greatest dimension
T2 Tumor more than 2 cm but not more than 4 cm in greatest dimension.
T3 Tumor more than 4 cm in greatest dimension.
T4 Tumor invades adjacent structures (e.g. through cortical bone, soft tissues of the neck, and deep muscles of the tongue).

Publication Review By: Stanley J. Swierzewski, III, M.D.

Published: 14 Aug 1999

Last Modified: 18 Sep 2015