In addition, patients were required to have a minimum of 1 relapse within the year prior to study enrollment and 5 or fewer gadolinium-enhancing brain lesions.
此外，病人在进入研究试验前一年最好有一次复发和等于（或少于）5个的钆增强脑部病变。
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Purpose:To determine whether addition of gadolinium-enhanced LAVA sequence to MR routine scan imaging is valuable for preoperative assessment of TN stage in patients with primary rectal cancer.