A malignant tumour of epithelial origin. Its cells can change phenotype without ceasing to belong to their original malignant lineage.
A cancer arising in the colon or rectum. Tissue of origin identifies the primary site, while spread elsewhere remains colorectal cancer rather than taking the name of the destination organ.
A usually locally invasive skin carcinoma with basal-cell differentiation. Local destruction and distant metastatic potential are different dimensions of malignancy, making behavior more specific than the word cancer alone.
Historical name particularly associated with locally destructive basal cell carcinoma.
A carcinoma showing squamous differentiation. It can arise at different epithelial sites, so the microscopic category and anatomical origin are separate parts of a diagnosis.
A historically variable name for an epithelial tumour, often used for a carcinoma. Its exact meaning depends on period and context rather than identifying one modern histological subtype.
A carcinoma with prominent mucin production or accumulation. The description concerns tissue character; anatomical origin and other microscopic features remain necessary for a complete classification.
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