yī / shēng / shuō / tā / de / shèn / yú / yǒu / qīng / wēi / kuò / zhāng / xū / yào / jìn / yī / bù / jiǎn / chá医生说他的肾盂有轻微扩张,需要进一步检查。The doctor said that his renal pelvis was slightly dilated and needed further examination.