A 55-year-old woman with a 5-year history of Raynaud's phenomenon, 2 years of dysphagia after eating, generalized swelling sensation, thick and hard skin on both hands, and facial skin without wrinkles. Blood pressure (BP) 160/94 mmHg for 1 week. Urinary protein (++), 5 g/day; urine sediment red blood cells (RBCs) 10-15 per high power field (HPF). Blood urea nitrogen (BUN) 11 mmol/L, serum creatinine (Scr) 240 μmol/L. The clinical diagnosis is primarily considered scleroderma. Which type of scleroderma is this?