label: Stage IV Bone Sarcoma AJCC v7
label_lc: stage iv bone sarcoma ajcc v7
description: "Stage IV includes: IVA (Any T, N0, M1a, Any G); IVB (Any T, N1, Any M, Any G); (Any T, Any N, M1b, Any G).  N0: No regional lymph node metastasis.  N1: Regional lymph node metastasis.  M1a: Distant metastasis to lung.  M1b: Metastasis to other distant sites. (AJCC 7th ed.)"