spot on skin has traces of nevi and birthmar closeup

skin stain spot has traces nevi dermatology medical concept woman melanoma white patches closeup cancer mark beauty biopsy birthmark blemish brown dermatologist diagnosis healthcare macro mole nevus pigmentation man pigment face melasma damaged whitening acid adult age beautiful bleach care chloasma cosmetology darkening demarcated female healthy hyperpigmentation hyperpigmented laser medicine