DATA FORM FOR CANCER CLASSIFICATION - CARCINOMA OF THE SKIN
(excluding eyelid, vulva, and penis)
| HISTOPATHOLOGIC TYPE | HISTOPATHOLOGIC GRADE | |||
| Squamous cell carcinoma | GX: | Grade cannot be assessed | ||
| Spindle cell variant of squamous cell carcinoma | G1: | Well differentiated | ||
| Basal cell carcinoma | G2: | Moderately differentiated | ||
| Adenocarcinoma developing from sweat or sebacceous gland | G3: | Poorly differentiated | ||
| G4: | Undifferentiated | |||
| Comments: |