Table 8. Correlation between PIK3CA, KRAS/PIK3CA/AKT mutation and hormone receptor status of 48 relapsed patients.

	PIK3CA mutant		KRAS/PIK3CA/AKT mutant
	n = 11	P*	n = 16	P*
ER and/or PR status
Positive	11 (100%)	0.046	16 (100%)	0.010
Negative	0		0
ER status
Positive	10 (90.9%)	0.076	15 (93.8%)	0.008
Negative	1 (9.1%)		1 (6.2%)
PR status
Positive	6 (54.5%)	1.000	9 (56.3%)	1.000
Negative	5 (45.5%)		7 (43.7%)

* Fisher’s exact test