Table 3.

Description of the case collection.

Parameter		n	%
Gender	Male	225	83.0
	Female	46	17.0
Age	Median 69 years (43–85 years)
pT UICC 2017	pT1a	4	1.5
	pT1b	19	7.0
	pT1c	33	12.2
	pT2a	54	19.9
	pT2b	39	14.4
	pT3	64	23.6
	pT4	58	21.4
pN UICC 2017	pN0	137	50.6
	pN1	100	36.9
	pN2	34	12.5
Distant Metastases	Absent	266	98.2
	Present	5	1.8
AJCC/UICC TNM Stage	I A 1	2	0.7
	I A 2	16	5.9
	I A 3	25	9.2
	I B	30	11.1
	II A	20	7.4
	II B	74	27.3
	III A	73	26.9
	III B	26	9.6
	IV A	3	1.1
	IV B	2	0.7
Grading	Grade 1	3	1.1
	Grade 2	139	51.3
	Grade 3	129	47.6
Resection Status	R0	235	86.7
	R1/R2	36	13.3
Total		271	100