PIK3CA and adenocarcinoma: The most mutated immunophenotypes of adenocarcinomas were the undefined (1 KRAS; 2 PIK3CA, and 1 BRAF) and the biliopancreatic (2 KRAS and 1 BRAF), followed by the gynecological immunophenotype (1 case with concomitant KRAS and PDGFRA missense mutation and 1 with PIK3CA mutation).