1. A method for providing a preliminary diagnosis of skin cancer or a screening assessment of skin cancer risk of pigmented skin lesions comprising the steps of: receiving digital photographs of skin abnormalities from a plurality of consumers at a server; receiving medical information related to each of the plurality of consumers at the server; assigning an identification to at least one of the consumers and the digital photographs; reviewing the digital photographs and categorizing the digital photographs into at least three categories so as to define category information, the at least three categories including a first category of a first risk, a second category of risk lower than the first category and a third category of insufficient photograph quality; and providing the category information as a function of the identification.