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Dictionary of Cancer Terms

View in Spanish: Neoplasia

Neoplasm (NEE-oh-PLA-zum)
An abnormal mass of tissue that results when cells divide more than they should or do not die when they should. Neoplasms may be benign (not cancer), or malignant (cancer). Also called tumor.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.