Part one of term paper
A tumour is a mass of new tissue growth that does not react to normal controls or the organizing influence of other tissues, and it has no useful function in the body. This applies to both types of , malignant and benign. Malignant, also known as, cancerous , are additionally defined by their invasion of local tissue and their ability to sp ...

Part two of term paper
... generally grow slowly and kill the host only if it occupies or attaches to an organ so as to interfere with a critical function. The cells of benign tumours closely resemble the cells of the tissue of origin. Surface benign tumours include warts and moles. Malignant Tumours A malignant tumour always kills (unless treated) because of its invasive and metastatic characteristics. The tumour grows locally by spreading into surrounding tissues. Solid tumours, which develop in the brea ...