Cancer can develop in almost any organ or tissue, such as the lung, colon, breast, skin, bones, or nerve tissue.There are many causes of cancers, including:Benzene and other chemicalsCertain poisonous mushrooms and a type of poison that can grow on peanut plants (aflatoxins)Certain virusesRadiationSunlightTobaccoHowever, the cause of many cancers remains unknown.The most common cause of cancer-rel