CEACAM5 and neoplasm: Tests included serology for cytomegalovirus (CMV), HIV, toxoplasmosis, Epstein-Barr virus (EBV), echinococcus, and Quantiferon, as well as two sets of blood cultures, transthoracic echocardiography, blood tests for beta-D-glucan, galactomannan, tumor markers (carcinoembryonic antigen (CEA) and cancer antigen (CA)), immunofluorescence, and the angiotensin-converting enzyme test (ACE test).