Table 1.

Patient Characteristics.

Characteristic	No. of Patients (N = 182)	%
Age
<70	95	52
≥70	87	48
Sex
Male	110	61
Female	70	39
Grade
1	7	4
2	114	69
3	45	27
Nodal status
Negative	113	62
Positive	69	38
KRAS-mutation status
KRAS wild type	104	59
KRAS mutation	73	41
EGFR-mutation status
EGFR wild type	161	90
EGFR mutation	18	10