Skin Cancer Clinic: Red and Pink and a Butterfly

My normal Photoshop analysis gave me startling inconsistent pictures, some all grey, some all brown. So I changed it into CMYK washed out the colours and looked at what was left. Significant grey! But no one else saw it. Can anyone tell me why there is no grey ... LCA large cell acanthoma. LM lentigo maligna. LMM lentigo maligna melanoma. LPLK lichen planus-like keratosis. MCC Merkel cell carcinoma. PSL pigmented skin lesion SCC squamous cell carcinoma. SL solar lentigo ...