Table 2.

Distribution of the patients according to the pTNM staging (2009)

Parameter	All cases (n = 16)	Sporadic forms (n = 9)	Hereditary forms (n = 7)	p a
T1 (n, %)	5 (31.2)	1 (11.1)	4 (57.1)	NS
T2 (n, %)	6 (37.5)	4 (44.5)	2 (28.6)	NS
T3 (n, %)	3 (18.8)	2 (22.2)	1 (14.3)	NS
T4a-b (n, %)	2 (12.5)	2 (22.2)	0 (0)	NS
N1a (n, %)	1 (6.3)	1 (11.1)	0 (0)	NS
N1b (n, %)	2 (12.5)	1 (11.1)	1 (14.3)	NS
M1 (n, %)	1 (6.3)	1 (11.1)	0 (0)	NS
Stage I (n, %)	5 (31.2)	1 (11.1)	4 (57.1)	NS
Stage II (n, %)	7 (43.8)	5 (55.6)	2 (28.6)	NS
Stage III (n, %)	1 (6.3)	1 (11.1)	0 (0)	NS
Stage IVa–c (n, %)	3 (18.8)	2 (22.2)	1 (14.3)	NS

NS not significant

^a p between sporadic and hereditary forms