in contrast to this specific defect in bullous pemphigoid antigen found in basal cell carcinoma , well-differentiated superficially invasive epidermal squamous cell carcinoma and several benign epidermal tumors ( trichoepithelioma , wart , keratocanthoma , seborrheic keratosis , cylindroma ) displayed all three antigens in the basement membrane that surrounded epithelial cell aggregates .
C0007137
squamous cell carcinoma
C0014597
epithelial