CREST (calcinosis, Raynaud phenomenon, esophageal dysmotility, sclerodactyly, and telangiectasia) syndrome is a member of the heterogeneous group of sclerodermas, and its name is an acronym for the cardinal clinical features of the syndrome. The skin changes associated with limited scleroderma typically occur only in the lower arms and legs, below the elbows and knees, and sometimes affect the face and neck.It can also affect can also affect your digestive tract, heart, lungs or kidneys. By https://www.mayoclinic.org/diseases-conditions/crest-syndrome/symptoms-causes/syc-20355535 https://images.app.goo.gl/jXzFR9TanQCf5ryy8