Tumour Grading and Staging

Introduction: The Logic Behind the Language You’ve encountered dozens of tumour names. Some are logical, but many feel like random, contradictory terms. Why is a glandular tumour called an adenoma (benign) but a melanocytic tumour is a melanoma (malignant)? They both end in “-oma”. Why is a mesothelioma always malignant, leaving no room for a…