the following features may suggest the diagnosis of ventriculosaccular carcinoma before laryngectomy : ( 1 ) a ventricular tumour , ( 2 ) a supraglottic bulge above it , ( 3 ) a paraglottic swelling on ct scan radiology covered by a smooth laryngeal lining and ( 4 ) biopsy appearances of a well differentiated 'folded carcinoma ' .
C0023065
laryngectomy
C0023078
laryngeal