Study of the Nevisense Device to Assess Atypical Skin Lesions

Inclusion Criteria: * Adult patients (\> 30 years of age) at the time of the initial study visit. * Patients displaying a phenotype that consists of ≥ 100 nevi on the entire cutaneous surface and at least three large acquired nevi (LAN) \> 5 mm in diameter. These patients have "atypical mole syndrome", which is a high-risk nevus phenotype and the target patient population in this study. * Patients with at least three clinically stable nevi between 5 and 20 mm in diameter. * Patients (or LAR) who are able to provide informed consent. * Patients with previous total body photography images taken at least 3 years prior Exclusion Criteria: * Patients without at least three clinically stable nevi between 5 and 20 mm in diameter. * Patients with any electronic implantable devices. * Patients who are pregnant (verbally confirmed with the participant).