An unusual case of isolated serum γ-glutamyl transferase elevation: slight abnormality also should not be taken lightly

Affiliations

• ¹ Department of Endoscopy, Fudan University Shanghai Cancer Center, Shanghai, China.
• ² Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
• ³ Department of Gastrointestinal Endoscopy, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
• ⁴ Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
• ⁵ Department of Biliary-Pancreatic Surgery, and Department of Oncology, State Key Laboratory for Oncogenes and Related Genes, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.