英语语法分析

The MRI findings of 24 cases of thymomas were analysed, The signal intensities and four signal change patterns on multiecho sequence imaging were established.

通过对24例胸腺瘤的MRI图像分析，归纳出胸腺瘤在MRI各回波时间图像上的信号强度及四种信号变化模式。