Soft tissueA group of cells with a similar structure and a specialised function. tumours that appear as lumps and bumps are a diverse group of tumours that can be benignNot dangerous, usually applied to a tumour that is not malignant. (non-cancerousMalignant, a tumour that may invade surrounding tissues or spread to distant parts of the body.) or malignantDescribes a tumour resulting from uncontrolled cell division that can invade other tissues and may spread to distant parts of the body. (cancerous). Soft tissue is defined as the supportive or connective tissueA type of tissue made up of fibres forming a framework and support structure for body tissues and organs. of the body and includes fibrous connective tissue, bone, muscleTissue made up of cells that can contract to bring about movement., fatOne of the three main food constituents (with carbohydrate and protein), and the main form in which energy is stored in the body., bloodA fluid that transports oxygen and other substances through the body, made up of blood cells suspended in a liquid./lymphA watery or milky bodily fluid containing lymphocytes, proteins and fats. Lymph accumulates outside the blood vessels in the intercellular spaces of the body tiisues and is collected by the vessels of the lymphatic system. vessels and the nervous systemThe network of nerves, which are bundles of nerve fibres carrying information in the form of electrical impulses.. All lumps are usually referred to as tumours whether they are benign or malignant. Benign soft tissue tumours are relatively common in the general population. Benign tumours cannot spread to other parts of the body but they can continue to grow at the original site where they can cause a problem by pressing on the surrounding organs.