Mutation types found within the PIK3CA gene were missense in six tumors (H1047L in No. 5, H1047R in No. 7, 16, and 19, C420R in No. 9, E453K in No. 18) and in-frame deletion in one tumor (V105_R108del in No. 1). This evidence concerns the gene PIK3CA and neoplasm.