although lesions exhibiting full-thickness epithelial dysplasia ( carcinoma in situ ) showed more labeling of tgf-alpha mrna than do areas of lesser dysplasia , the transition to full-fledged papillary or invasive squamous cell carcinoma is not associated with further elevations of tgf-alpha expression .
C0878500
epithelial dysplasia
C0334044
dysplasia