Urolithiasis in the lower urinary tract.
D000328:Adult; D002137:Calculi / Q000000981:diagnostic imaging*; D002675:Child, Preschool; D005832:Genital Diseases, Male / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D010409:Penile Diseases / Q000000981:diagnostic imaging; D011469:Prostatic Diseases / Q000000981:diagnostic imaging; D011859:Radiography; D012669:Seminal Vesicles; D014497:Urachus; D014522:Urethral Diseases / Q000000981:diagnostic imaging; D001744:Urinary Bladder Calculi / Q000000981:diagnostic imaging; D014545:Urinary Calculi / Q000000981:diagnostic imaging*