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Stage III Gastric Cancer AJCC v7

MedGen UID:
452381
Concept ID:
C0278497
Neoplastic Process
Synonym: Stage III Gastric Cancer

Definition

Stage III includes: IIIA (T4a, N1, M0); (T3, N2, M0); (T2, N3, M0); IIIB (T4b, N0, M0); (T4b, N1, M0); (T4a, N2, M0); (T3, N3, M0); IIIC (T4b, N2, M0); (T4b, N3, M0); (T4a, 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). T4b: Tumor invades adjacent structures. N0: No regional lymph node metastasis. 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.) [from NCI]

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