DATA FORM FOR CANCER CLASSIFICATION - AMPULLA OF VATER
| HISTOPATHOLOGIC TYPE | HISTOPATHOLOGIC GRADE | |||
| Primary adenocarcinoma | GX: | Grade cannot be assessed | ||
| G1: | Well differentiated | |||
| G2: | Moderately differentiated | |||
| G3: | Poorly differentiated | |||
| G4: | Undifferentiated | |||
| HISTOPATHOLOGIC TYPE | HISTOPATHOLOGIC GRADE | |||
| Carcinoid tumor | Not applicable | |||
| Lymphoma | ||||
| Comments: |