Things We Do for No Reason: Tumor Markers CA125, CA19-9, and CEA in the Initial Diagnosis of Malignancy Categories: Posted on August 23, 2021 Link to article at PubMed J Hosp Med. 2021 Aug 18. doi: 10.12788/jhm.3645. Online ahead of print.NO ABSTRACTPMID:34424189 | DOI:10.12788/jhm.3645