All Moles and Skin Lumps Information on moles, skin lumps and skin cancers, and how they are assessed and treated. Choose a topic below to read more.Actinic KeratosisAtypical MolesBasal Cell CarcinomaBowen's DiseaseCystsDermatofibromaMelanomaMolesPyogenic GranulomaSeborrhoeic KeratosisSkin TagsSquamous Cell Carcinoma