In the article, “Primary hyperparathyroidism characterized by diffuse homogeneous metastatic pulmonary calcification: A case report”,[ which appears in Volume 97, Issue 44 of Medicine, the authors would like to note a change in author order. The author order should be Yuzhu Jia, Lihua Wang, Guangzhao Yang, Guoqun Mao, Yougen Cheng, Yulin Cao.