Yī / shēng / jiǎn / chá / hòu / fā / xiàn / tā / de / pí / fū / xià / miàn / zhǎng / le / yí / gè / liú / zi医生检查后发现他的皮肤下面长了一个瘤子。After examining him, the doctor found a tumor under his skin.