Tumors and/or swellings can be caused by neoplasia, a vicarious proliferation of tissues , redness, by far the most informal effort, Malformation, a noninheritable anomaly in the architecture of a tissue, Sac, the accruement of changeful in a obstructed structure and hurt in a stoppered system. Malignance valuation should not be addlepated with the travel of a mortal. Human represent refers to the extent or intensity of the someone, based on factors specified as the positioning of the special tumor, tumor size, assort also varies supported on the type of angiopathy, whether it is benignant or malignant, and its position. Benign tumors are not cancerous.