Figure 1.

Morphological grading of squamous cells from the buccal mucosa. A: Well-differentiated squamous cell carcinoma of buccal mucosa. N = 10. HE stain. Original magnification 200×. B: Moderately differentiated squamous cell carcinoma of buccal mucosa. N = 10. HE stain. Original magnification 400×. C: Undifferentiated squamous cell carcinoma of buccal mucosa. N = 10. HE stain. Original magnification 400×.