typhlomegaly

例句：

1. 1.The patient had a thyroid enlargement that required surgery.
   患者患有甲状腺肿大，需要手术治疗。
2. 2. The doctor diagnosed the patient with thyroid enlargement and prescribed medication.
   医生诊断出患者患有甲状腺肿大，并开了药。
3. 3. Thyroid enlargement can be caused by various factors, including genetics and environmental exposures.
   甲状腺肿大可能由多种因素引起，包括遗传因素和环境暴露。