How Consistent is the Output of DERM, When Used to Assess Images of Potentially Cancerous Skin Lesions.

Inclusion Criteria: * Male or Female, * aged 18 years or above, * Willing and able to give informed consent for participation in the study, * Has at least one skin lesion that, following assessment by a primary care provider and a dermatology specialist, will be biopsied due to a high suspicion of skin cancer, and is suitable for assessment by DERM. * In the Investigator's opinion, able and willing to comply with all study requirements. Exclusion Criteria: * Patients with more than one skin lesion due for biopsy * Any other significant disease or disorder which, in the opinion of the Investigator, may either put the participant at risk because of participation in the study, or may influence the result of the study, or the participant's ability to participate in the study. To be suitable for inclusion, a skin lesion must NOT have ANY of the following limitations: * Be located on an anatomical site of different skin structure: palms of hands or soles of feet (acral lesion), mucosal surfaces (lips and eyes) or under nail (ungal lesion), * Have a diameter greater than the diameter of the dermoscopic lens, * Be located on an anatomical site unsuitable for photographing, including on surface of genitals and hair-bearing areas, * Have been previously biopsied, excised, treated or is otherwise traumatised * Be located in an area of visible scarring or tattooing.