Esophagus and Esophagogastric Junction Cancer Clinical TNM Finding v7

**Semantic type:** Finding

**Definition:** A clinical finding about one or more characteristics of esophagus and esophagogastric junction cancer, following the rules of the TNM AJCC v7 classification system. Clinical classification is based on evidence before primary treatment. It involves esophagoscopy with biopsy, endoscopic esophageal ultrasound (EUS), EUS-directed fine-needle aspiration (EUS-FNA), fused computed tomography (CT), PET/CT for assessment of T, N, M, and G classifications, and histopathologic type. Clinical reclassification during or following chemotherapy and/or radiotherapy is designated by the prefix yc. (from AJCC 7th Ed.)