Generalized scleroderma affects the skin along with the internal organs (esophagus, lungs, and heart) and the blood vessels. It is also referred to as systemic sclerosis. The most commonly observed symptoms are swollen fingers and hands, tightness of skin around the face and mouth, esophageal dysfunction (abnormal functioning of esophagus), heartburn, indigestion, shortness of breath, and calcinosis (deposition of calcium in the connective tissue that causes ulcer).