How different are the concepts of neoplasia-tumor and cancer, Biology

Q. How different are the concepts of neoplasia, tumor and cancer?

Not all tumor is neoplastic and not every neoplasia creates tumor. The Tumor is the generic name given to the abnormal increase in mass or volume of any area of the body (for example, the enlarged tonsils during throat infection are a kind of tumor, any inflammation creating a swelled area characterize a tumor, and so on.). the Neoplasias can form tumors, some of them very large, by aggregation of neoplastic cells in the region where the neoplasia began or in distant implantations. The Cancer is a synonym for malign neoplasia.

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