Table 1.

Clinical features of 264 cases of gastric cancers analyzed for mutations in PI3KCA.

Parameter	Categories	Frequency
Gender	F	89 (33.7%)
	M	175 (66.3%)
Age	mean (sd)	67.4 (11.2)
Lauren	Intestinal	170 (65.4%)
	Mixed	27 (10.4%)
	Diffuse	63 (24.2%)
pT	2	99 (37.4%)
	3	129 (48.7%)
	4	36 (13.6%)
pN	0	53 (20.2%)
	1	100 (38.0%)
	2	80 (30.4%)
	3	30 (11.4%)
pM	0	215 (87.4%)
	1	31 (12.6%)
Tumor Location	Antrum	107 (40.5%)
	Body	72 (27.3%)
	Fundus	69 (26.1%)
	Linitis	12 (4.5%)
	Gastric stump	4 (1.5%)
MSI	MSI	39 (14.8%)
	MSS	225 (85.2%)