Histopathological diagnoses after appendicectomy and cholecystectomy
| APPENDICES | GALLBLADDERS |
| Normal appendix | Normal gallbladder |
| Acute inflammation | Acute inflammation |
| Chronic inflammation and reactive changes | Chronic inflammation and reactive changes |
| Appendiceal neoplasms | Gallbladder neoplasms |
| Neuro-endocrine neoplasm | Adenoma |
| Non-invasive epithelial neoplasm | Biliary intraepithelial neoplasm |
| Invasive epithelial neoplasm | Carcinoma |
| Lymphoma | Other malignant neoplasms |
| Non-neoplastic aberrant findings | Non-neoplastic aberrant findings |
| Parasitic infection | Cholesterol polyp |
| Endometriosis | Inflammatory/hyperplastic polyp |
| Granulomatous disease | Adenomyomatosis |
| Other | Other |