the histological structure of the 16 cases of mixed carcinoma included 3 cases of acanthomatous change adenocarcinoma , 4 cases of collision pattern of adenocarcinoma and epidermoid carcinoma , and 9 cases where the lesion is thought to develop by bipotential differentiation together with the neoplastic changes of reserve cells .
C0001418
adenocarcinoma
C0597032
neoplastic