It was mentioned by FIGO that there are various stages and grades given to the disease condition (Endometrial cancer) :
T1a/FIGO IA: The tumor is found only in the endometrium has spread to less than one-half of the myometrium.
T1b/FIGO IB: The tumor has spread to one-half or more of the myometrium.
G1: The cells are well differentiated
G2: The cells are moderately differentiated
G3: The cells are poorly differentiated