Table 1.

Clinico-pathological features of the patient series.

Age (Range)		CRC		LAC	MEL
		MSI	Driver-Free
		68 (26–88)	62 (37–80)	66 (55–78)	65 (37–90)
Gender	Male	23	21	9	14
	Female	32	9	3	14
	Total	55	30	12	28
Specimen type	Resection	55	23	8	15
	Biopsy	0	6	2	13
	Cytologic sample	0	1	2	0
	Total	55	30	12	28
Lesion type	Primary tumour	55	21	10	21
	Metastatic deposit	0	9	2	7
	Total	55	30	12	28
Stage	I	14	0	3 *	0
	II	27	3	0	2
	III	11	10	2	12
	IV	3	17	7	14
	Total	55	30	12	28

MSI—microsatellite instability; CRC—colorectal cancer; LAC—lung adenocarcinoma; MEL—melanoma. * Molecular test performed on second primary tumours.