英语语法分析

Periocular basal cell carcinoma is most commonly found on the lower eyelid and medial canthus.

基底细胞癌好发于下眼睑及内眼眦。

Other less common etiologies include dacryocystitis, retained orbital foreign body, periocular trauma and dental infection.

其他不太常见的病因包括泪囊炎，眶内异物，眶周创伤，牙科感染。