The sign of Leser-Trélat.
D000052:Acanthosis Nigricans / Q000209:etiology; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000150:complications*; D003536:Cystadenocarcinoma / Q000150:complications*; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000150:complications*; D006801:Humans; D007642:Keratosis / Q000209:etiology*; D008175:Lung Neoplasms / Q000150:complications*; D008297:Male; D008875:Middle Aged