instruction: hello doctor I am a 61 year old male I have a mole on the thigh and is slightly itchy please suggest
output: hi moles or melanocytic nexus are genetic collections of melanocytes the dark color producing cells they go through a cycle of evolution with disappearance in the middle age increased number size and genetic history of cancer are the risk factors for the development of cancer called melanoma moles are dangerous if there is sudden change size color shape border or become symptomatic in this condition they should be immediately removed surgically and sent for histopathological examination here I see a darker mole I wanted to know when this mole changed its color though it is not large the border is irregular there is also some reddish area with crusts below it when it appeared is it symptomatic