- 阑尾炎 lánwěiyán appendicitisInflammation of the appendix, often caused by bacterial infection or blockages; sometimes colloquially but incorrectly called [[盲肠炎|盲腸炎|mang2 chang2 yan2]].
- 急性阑尾炎 jíxìnglánwěiyán acute appendicitis(medicine) acute inflammation of the appendix
- 阑尾切除术 lánwěiqiēchúshù appendectomysurgical removal of the appendix
