Stage IA Retroperitoneal Sarcoma AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage IA includes: T1, N0, M0, G1, GX. T1: Tumor measuring 5 cm or less in greatest dimension. N0: No regional lymph node metastasis or unknown lymph node status. M0: No distant metastasis. GX: Grade cannot be assessed. G1: Total differentiation, mitotic count and necrosis score of 2 or 3. (AJCC 8th ed.)

**Synonyms:** - Stage IA Retroperitoneal Sarcoma - Stage IA Soft Tissue Retroperitoneal Sarcoma AJCC v8