Definition:
stage IB soft tissue sarcoma
 (...TIH-shoo sar-KOH-muh)Stage I is divided into stages IA and IB. In stage IB, the tumor is low-grade (likely to grow and spread slowly) and larger than 5 centimeters. It may be either superficial (in subcutaneous tissue with no spread into connective tissue or muscle below) or deep (in the muscle and may be in connective or subcutaneous tissue).
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