Table 8.

 Case distribution of hobnail cell type by pathological stages and by mutation statuses

Genes	Pathological stages	No. of cases (%)		P‐values
		Mutation
		−	+
p53	I	47 (76)	15( 24)	0.13*
	II–IV	24 (62)	15 (38)
EGFR	I	20 (33)	41 (67)	0.40*
	II–IV	16 (41)	23 (59)

*By chi‐squared test. EGFR, epidermal growth factor receptor.