The patient had undergone thousands of dollars of MRIs and CAT scans of his lower abdomen and pelis, which had not reealed the reason for the bleeding, and the test was the next diagnostic step.

• 病人花了大把的银子在核磁共振成像和计算机辅助测试扫描上，因为他的下腹和骨盆流血原因不明，医疗测试是下一个诊断步骤。