portrait of handsome young professional african man doctor standing near modern ultrasound and lithotripter machines and

advanced african calculus care clinic clinical closeup detail device diagnosis disease doctor equipment eswl expensive extracorporeal fluoroscopic fluoroscopy healthcare hospital kidney lithotripsy lithotripter machine male man medical medicine modern nephrolithiasis nephrology nobody noninvasive outpatient part renal room shockwave specialist stones surgery tablet technology treatment ultrasonic ultrasound urology xray