Benign Neoplasm

Definition 1

A neoplasm which is characterized by the absence of morphologic features associated with malignancy (severe cytologic atypia, tumor cell necrosis, and high mitotic rate). Benign neoplasms remain confined to the original site of growth and only rarely metastasize to other anatomic sites. (NCI Thesaurus)

Definition 2

A general term used to describe autonomous growth of tissue where the originating cell type has not been characterized. The term benign indicates the absence of morphologic features associated with malignancy (for instance severe atypia, nuclear pleomorphism, tumor cell necrosis, and abnormal mitoses). (NCI Thesaurus/CDISC)

Definition 3

A growth that is not cancer. It does not invade nearby tissue or spread to other parts of the body. (NCI Dictionary)

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