Yuanhui Su

Dec 20, 2024 | bmccancer.biomedcentral.com | Xin Miao |Yuanhui Su |Cheng Yu |Huan Tang |Lu Li |Zhengfeng Wang | +8 more

The subject, a 72-year-old man, reported no prior tobacco use, alcohol, or hepatitis B infection. His CEA level was 1.4 ng/mL (normal range: 0-5.2 ng/mL), AFP level was 4.6 U/mL (normal range: 0-5.8 U/mL), and CA 19 − 9 level was 38.3 U/mL (normal range: 0–35 U/mL; Table 1). Duodenoscopy examination indicated the presence of a tumor in the ampullary region (Fig. 1A).