Table 1.

Patients’ general characteristics

	Better differentiated group (n= 16)	Poorly differentiated group (n= 16)	P
Male:female	9:7	11:5	0.465
Average age (years)	53.80 ± 4.21	52.50 ± 4.67	0.522
Average body mass index	35.24 ± 5.35	36.10 ± 7.23	0.705
Degree of differentiation:
Well	4
Moderate	12
Lower		6
Undifferentiated		10
Preoperative tumor-node-metastasis stage:
III	12	13	0.669
IV	4	3	0.059
Mean number of chemotherapy cycles	2.8 ± 0.75	3.4 ± 0.50