in 16 cases benign tumors were found ( 6 neurinoma , 4 leiomyoma , 4 lipoma , 2 polyps ) , in 50 cases the tumors were malignant ( 24 carcinoma , 20 sarcoma , 2 malignant schwannoma , 4 carcinoids ) .
C0023798
lipoma
C0027651
tumors