Stage II Osteosarcoma AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage II includes: IIA (T1, N0, M0, G3, G4); IIB (T2, N0, M0, G3, G4). T1: Tumor 8 cm or less in greatest dimension. T2: Tumor more than 8 cm in greatest dimension. N0: No regional lymph node metastasis. M0: No distant metastasis. G3: Poorly differentiated. G4: Undifferentiated. (AJCC 7th ed.)

**Synonyms:** - Stage II Osteogenic Sarcoma - Stage II Osteosarcoma