<unk>  is a figurate erythema that is rapidly moving and usually a marker of underlying cancer, usually from the lung.
Erythema gyratum repens
Figurate erythema
Sensitive skin
Granulomatous slack skin
Blastomycosis-like pyoderma
Photosensitivity in humans
Discrete papular lichen myxedematosus
Piezogenic papules