Variable	Category	N	%
ECOG	0	81	59.1
ECOG	1.2	56	40.9
Metastasis at diagnosis	No	118	86. 1
Metastasis at diagnosis	Yes	19	13.9
Symptoms at diagnosis	No	78	56.9
Symptoms at diagnosis	Yes	59	43.1
Fuhrman Grade	Lower grade	89	65
Fuhrman Grade	Higher grade	48	35
Histological subtype	Clear cells	112	81.8
Histological subtype	Non-clear cells	25	18.2
EC TNM	I-II	98	71.5
EC TNM	III-IV	39	28.5
Microscopic venous invasion	No	113	82.5
Microscopic venous invasion	Yes	24	17.5
Recurrence	No	117	85.4
Recurrence	Yes	20	14.6
	Total	137	100%