CEACAM5 and lung adenocarcinoma: SGM101 is a carcinoembryonic antigen (CEA) targeting probefor the intraoperative detection of primary pancreatic ductal adenocarcinoma(PDAC)32,33 and lung adenocarcinomas.34 It consists of a CEA-specific chimeric antibody conjugatedto the NIR fluorescent dye BM105.