Based on the results of his 3 clinical exams, we speculated that the abnormal accumulation of radiotracer in the left ureter may have been caused by calculi at the ureteropelvic junction.

• 综合临床检查结果，我们忆测造成放射活性异常聚集于左侧输尿管原因可能是左侧肾脏输尿管交接处有钙化状况。