Stage IIIA Gastric Cancer AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IIIA includes: (T4a, N1, M0); (T3, N2, M0); (T2, N3, M0). T2: Tumor invades the muscularis propria. T3: Tumor penetrates subserosal connective tissue without invasion of visceral peritoneum or adjacent structures. T4a: Tumor invades serosa (visceral peritoneum). N1: Metastasis in 1-2 regional lymph nodes. N2: Metastasis in 3-6 regional lymph nodes. N3: Metastasis in seven or more regional lymph nodes. M0: No distant metastasis. (AJCC 7th ed.)

**Synonyms:** - Carcinoma of Stomach Stage IIIA - Carcinoma of the Stomach Stage IIIA - Gastric Cancer Stage IIIA - Gastric Carcinoma Stage IIIA - Stage IIIA Carcinoma of Stomach - Stage IIIA Carcinoma of the Stomach - Stage IIIA Gastric (Stomach) Cancer - Stage IIIA Gastric Cancer - Stage IIIA Gastric Carcinoma - Stage IIIA Stomach Carcinoma - Stomach Carcinoma Stage IIIA