Esophagus and Esophagogastric Junction Cancer pTis TNM Finding v7

**Semantic type:** Finding

**Definition:** Esophagus and esophagogastric junction cancer with a finding of high-grade dysplasia. High-grade dysplasia includes all noninvasive neoplastic epithelia that was formerly called carcinoma in situ, a diagnosis that is no longer used for columnar mucosae anywhere in the gastrointestinal tract. (from AJCC 7th Ed.)