After lumpectomy and axillary dissection, patients with stage I or II breast cancer received a total of 50 Gy of whole breast radiation in 2-Gy fractions given over five weeks.是什么意思_After lumpectomy and axillary dissection, patients with stage I or II breast cancer received a total of 50 Gy of whole breast radiation in 2-Gy fractions given over five weeks.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句