Most moles are benign and pose no cancer threat to the patient, so they don’t always need a mole removal surgery. However, some patients do prefer to get rid of them regardless of if they’re harmful or not. There are also some skin lesions that are non-cancerous and don’t require removal either. These types of lesions have usually been present for long periods of time and have either not changed or changed very slowly.
With that being said, any type of change in a lesion or mole is cause for concern and should be checked by an experienced doctor that specialises in moles and lesions. The change can be related to colour, size, shape, thickness, bleeding, and/or sensation.