the radiographic appearance of 16 uncommon primary esophageal tumors ( 4 adenoid cystic carcinomas , 3 adenoacanthomas , 4 small cell carcinomas , 2 adenopapillary carcinomas , adenocarcinoma , mucoepidermoid carcinoma and malignant melanoma ) , is presented .
C0262584
small cell carcinomas
C0007097
carcinomas