A rare presentation of the diffuse dermal mucinosis in adenocarcinoma of the lungs treated with pembrolizumab and pemetrexed - Karen Koch, MBChB (UCT), FCDerm (SA), FRACP, MMed (Derm); Kamal Solanki, MBBS (MPMSU), FRACP; Julia Zhu, MBChB (JAAD Case Reports)