Figure 1.
Hematoxylin- and eosin-stained section reveals (a) well-differentiated squamous cell carcinoma and (b) moderately differentiated squamous cell carcinoma with epithelial islands in the connective tissue
Hematoxylin- and eosin-stained section reveals (a) well-differentiated squamous cell carcinoma and (b) moderately differentiated squamous cell carcinoma with epithelial islands in the connective tissue