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Stage IIA Esophageal Cancer AJCC v7

MedGen UID:
Concept ID:
Neoplastic Process
Synonyms: Esophageal Cancer Stage IIA; Stage IIA Carcinoma of Esophagus; Stage IIA Carcinoma of the Esophagus; Stage IIA Esophageal Cancer; Stage IIA Esophageal Carcinoma; Stage IIA Esophagus Carcinoma


Stage IIA includes: For squamous cell carcinoma: (T2-3, N0, M0, G1, GX, Tumor location: Upper, middle); (T2-3, N0, M0, G2-3, Tumor location: Lower, X). For adenocarcinoma: (T2, N0, M0, G3). T2: Tumor invades muscularis propria. T3: Tumor invades adventitia. N0: No regional lymph node metastasis. M0: No distant metastasis. G1: Well differentiated. GX: Grade cannot be assessed-stage grouping as G1. G2: Moderately differentiated. G3: Poorly differentiated. Tumor location: Location of the primary cancer site is defined by the position of the upper (proximal) edge of the tumor in the esophagus. (AJCC 7th ed.) [from NCI]

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