Squamous cell carcinomas showed a variety of expression levels , while two undifferentiated spindle-shaped carcinomas and one undifferentiated SCC cell line remained unstained .
squamous cell carcinomas showed a variety of expression levels , while two undifferentiated spindle-shaped carcinomas and one undifferentiated scc cell line remained unstained .
B-tissue I-tissue I-tissue O O O O B-other_name I-other_name O O O B-tissue I-tissue I-tissue O O O B-cell_line I-cell_line I-cell_line O O O