This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
[{'content': 'Which one of the following is the treatment of choice for lower ureteric stone \nSelect and explain. \nA. Endoscopic removal, B. Diuretics, C. Drug dissulation, D. Laser', 'role': 'user'}, {'content': 'Answer: A \nExplanation: SWL and URS both remain the mainstays of treatment of distal ureteral stones . It should be clear that it is imperative to tailor therapy choices to the individual patient, after careful discussion of outcomes of treatment: success rates, adjunctive procedures, and treatment related morbidity. Both patient factors (body habitus, coagulation status, medical comorbidities) and stone factors (location, burden, composition) must be considered when selecting the optimal treatment for ureteral calculi. ref :- Campbell - Walsh urology 11th ed , chapter 53 , pg no 1253', 'role': 'assistant'}]