Stage IA includes: T1a, N0, M0. T1a: For leiomyosarcoma and endometrial stromal sarcoma: tumor 5 cm or less in greatest dimension. For adenosarcoma: tumor limited to endometrium/endocervix. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 7th ed.) [from
NCI]