Table 1. Patient and tumor characteristics.

Patient age (n = 18)		Median 73,5 (range 54–84)
Tumor type (n = 18)	Adenocarcinoma	14 (78%)
Patients n = 16	Positive	7 (43,75%)
	Negative	9 (56,25%)
pT (n = 18)	1	1 (5,6%)
	2	4 (22,2%)
	3	10 (55,5)
	4	3 (16,6)
pN (n = 18)	0	9 (50%)
	1	4 (22,2%)
	1a	1 (5,6%)
	2	3 (16,6%)
	2b	1 (5,6%)
M (n = 18)	0	13 (72%)
	1	5 (28%)
Kras Mutated (n = 18)	Positive	8 (44,4%)
	Negative	10 (55,6%)