What is a "malignant" tumor?
AA mass of cancerous cells
BA single mutated cell that could potentially develop into cancer
CA mass of cells that grows out of control and spreads to other tissues
DA mass of cells that grows out of control but remains at the site of origin
AA mass of cancerous cells
BA single mutated cell that could potentially develop into cancer
CA mass of cells that grows out of control and spreads to other tissues
DA mass of cells that grows out of control but remains at the site of origin