the histologic groups were mucoepidermoid carcinoma ( 49 patients ) , adenoid cystic carcinoma ( 31 ) , adenocarcinoma not otherwise specified ( 18 ) , acinic cell carcinoma ( 7 ) , malignant mixed tumor ( 5 ) , squamous cell carcinoma ( 2 ) , and undifferentiated carcinoma ( 1 ) .
C0010606
adenoid cystic carcinoma
C0001418
adenocarcinoma