Fig. 1

Different grades of tumor budding. (a) A case of well differentiated squamous cell carcinoma exhibiting low budding (< 5 buds). (b) A case of moderately differentiated squamous cell carcinoma exhibiting intermediate budding (5–9 buds). (c) A case of moderately differentiated squamous cell carcinoma exhibiting high budding (> 10 buds). [Hematoxylin and eosin, 100, 200x]