Table 1. Summary of Histologic Variables in Cases with and without Lymph node Metastases or Extrauterine Disease.

	LN+ or ED+ (n=96)	LN-/ED- (n=208)
Variable	Count (%)	Count (%)
Tumor ≥ 2.0 cm	93 (97)	152 (73)
Lower uterine segment involvement	64 (67)	77 (37)
Cervical stromal involvement	41 (43)	24 (12)
>20% Solid	65 (68)	160 (77)
Papillary architecture present	68 (72)	122 (59)
>50% Myoinvasion	54 (56)	56 (27)
MELF pattern invasion present	67 (70)	79 (38)
Single cell invasion present	33 (34)	19 (9)
Lymphovascular invasion present	79 (82)	56 (27)