the over-all incidence of malignancy affecting intrascrotal structures is high : 1 ) 25 per cent of epididymal neoplasms are malignant , 2 ) excluding cord lipomas , 56 per cent of cord tumors are malignant and 3 ) 59 per cent of scrotal tunic neoplasms are of malignant origin .
C0023798
lipomas
C0027651
tumors