It is the best method of minimizing tissue damage and death. Screening tests include a microscopic examination of cells and mammography, an X-ray technique used to detect lumps in the breasts and to determine whether they are malignant. This crucial early detection is facilitated considerably by an individual alert to certain warning signs, such as: hoarseness or an irritating cough; difficulty swallowing; breast lumps; changes in urinary habits; unusual bleeding or effusion; a persistent ulcer and a change in a wart or mole.
