Pathologic Stage IIA Esophageal Squamous Cell Carcinoma AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage IIA includes: (T2, N0, M0, G2-3, Tumor location: Any); (T2, N0, M0, GX, Tumor location: Any); (T3, N0, M0, Any G, Tumor location: Lower); (T3, N0, M0, G1, Tumor location: Upper/middle). T2: Tumor invades the muscularis propria. T3: Tumor invades adventitia. N0: No regional lymph node metastasis. M0: No distant metastasis. GX: Grade cannot be assessed. G1: Well-differentiated. G2: Moderately differentiated. G3: Poorly differentiated, undifferentiated. (AJCC 8th ed.)

**Synonyms:** - IIA - Stage IIA Esophageal Squamous Cell Cancer