This magnetic resonance imaging (MRI) scan of the pelvis in sagittal view demonstrates a large discreet leiomyoma of the upper posterior myometrium, seen just anterior to the rectosigmoid colon.

• MRI示盆腔矢状面，于后上方子宫肌层可见一体积大，界限清楚的子宫肌瘤，后方紧邻乙状结肠。