Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Secondary neoplasms
Introduction
Overview
A secondary neoplasm refers to any of a class of cancerous tumors that are either metastatic offshoots of a primary tumor, or apparently unrelated tumors that increase in frequency following certain cancer treatments, including chemotherapy or radiotherapy.