Air-fluid level in the left maxillary sinus (red arrow) containing high attenuation is consistent with hematoma.

左侧上颌窦气液平面（红箭）密度较高，符合出血。

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Air-fluid level in the left maxillary sinus (red arrow) containing high attenuation is consistent with hematoma.

左侧上颌窦气液平面（红箭）密度较高，符合出血。

youdao