The quiet cancer. Benign or basal? A smooth, skin coloured bump on the nose doesn't always mean harmless. Basal cell carcinoma can look completely innocent especially on the nasal ala. Nonmelanoma Skin Cancers: Lesser Known, More Common Non melanoma Skin Cancer and Cutaneous Melanoma from Dermatological Point of View Springer Nature Link Non melanoma skin cancer 'raises malignancy risk' GPonline Sensory Symptoms with Skin Cancers Skin Cancer and Reconstructive Surgery Center