Non-Malignant

Definition 1

For neoplasms, a neoplastic process that, at the time of the pathologic diagnosis, does not show evidence of tissue infiltration and may or may not show evidence of atypical morphologic features (e.g., cellular atypia, formation of complex structures, cellular pseudostratification, and increased mitotic activity). This term encompasses benign neoplastic processes, neoplastic processes with dysplastic features, and borderline processes. The former do not metastasize and the latter two are associated with a future risk of stromal invasion and metastasis. For other conditions, a process that is not seriously resistant to treatment or dangerous to health. (NCI Thesaurus)

Definition 2

Not cancerous. Nonmalignant tumors may grow larger but do not spread to other parts of the body. (NCI Dictionary)

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