any abnormal growth of new tissue; a proliferation of cells no longer under normal physiologic control These may be benign (non-cancerous) or malignant (cancerous)
a tumor or growth; tissue that develops abnormally or grows more rapidly than normal A benign neoplasm (e g , a wart) does not spread to other tissues; a malignant (cancerous) neoplasm has the potential to spread (metastasize) to other sites
An abnormal tissue that grows by cellular proliferation more rapidly than normal and continues to grow after the stimuli that initiated the new growth cease