we found 60 cases with extensive squamous metaplasia of the epithelium outside of the vocal cords , 24 case with hyperplastic epithelium of the vocal cords , 29 cases with mild or moderate dysplasia , 5 cases with foci of in situ carcinoma , 3 cases with a second carcinoma with minimal stromal invasion , and 4 cases with a double synchronous primary carcinoma .
C0014609
epithelium
C0085668
second carcinoma