The goal of this observational study is to find out if Raman Spectroscopy, a type of imaging, can be used to determine the size of skin cancer tumors. The main question it aims to answer is: -Can Raman Spectroscopy help figure out how far a tumor spreads? This study will take measurements using laser light from an experimental, handheld probe by lightly touching the skin.
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Feasibility of Raman Spectroscopy to observe differences in Raman spectra between visible lesion, skin surrounding lesion and contralateral normal skin.
Timeframe: 1 year