PIK3CA and neoplasm: In HR−/HER2− (TNBC) tumors, PIK3CA E545K MF was positively correlated with nodal involvement (r = 0.96, p ≤ 0.001), and HRAS G12D MF was positively correlated with menopausal status and maximum tumor dimension (r = 0.85, p ≤ 0.001; and r = 0.55, p ≤ 0.05, respectively).