massa lateralis

例句：

1. 1. The patient was lying on his side, with a massa lateralis pressing against the bed.
   病人侧卧着，一侧的侧腹贴在了床上。
2. 2. During surgery, the surgeon carefully removed the massa lateralis to avoid damaging the nerves.
   手术中，外科医生小心地切除了侧腹，以免损伤神经。
3. 3.The patient's condition worsened, and he needed immediate medical attention due to a massa lateralis infection.
   患者的病情恶化，由于侧腹感染需要立即医疗关注。