The study, carried out in 286 patients with extensive SCLC who had responded to systemic chemotherapy, compared prophylactic cranial irradiation with no further therapy.是什么意思_The study, carried out in 286 patients with extensive SCLC who had responded to systemic chemotherapy, compared prophylactic cranial irradiation with no further therapy.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句