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.