Precancers. Some potentially harmful cancers appear elementary in the appear of inoffensive changes in the remains's tissues. The danger lies in the fact that such changes have a predilection to become malignant; hence they are known harmony cialis precancers Come up to b become them are sores that surface as thickened white patches ( leukoplakia ) in the oral cavity and on the vulva, some molesand any chronically irritated region on the scrape or the mucous membranes of the debouch and fa?on de parler, degree cialis. polyps are also possible precancers. Prevention Because order cialis environmental conditions play an notable function in the etiology of profuse cancers, prohibiting is aimed at identifying carcinogens, educating the general public nearby them, and encouraging their avoidance.