Dr. Xu Guoliang specializes in the early diagnosis and treatment of gastrointestinal tract cancer as well as the endoscopic palliative treatment of advanced gastrointestinal tract cancer and respiratory tract tumor. He is proficient in conventional gastroscopy, duodenoscopy, colonoscopy, enteroscopy, choledochoscopy, bronchoscope, laryngendoscope and endoscopic ultrasonography. He can skillfully perform multiple endoscopic treatments, such as esophageal variceal ligation/sclerosing agent injection, esophageal stricture and achalasia bougie/balloon dilatation, ERCP/endoscopic sphincterotomy for lithotomy, electrohydrautic lithotripsy, stent implantation in biliary/pancreiatic duct, stent implantation in oesophagus, polypectomy, endoscopic mucosal resection (EMR), endoscopic submucosal dissection (ESD), endoscopic reduction of intussusception, cryotherapy for various advanced intracavitary tumors, photodynamic therapy, radiofrequency therapy, seed implantation for pancreatic tumor and radiofrequency ablation therapy, etc.

Work experience
07/1984-09/1987: Physician, Air Force Shijiazhuang Hospital;

07/1990-05/1999: Department of Digestive System Treatment, Nanfang Hospital of the First Military Medical University (the present Southern Medical University);

05/1999-present: Department of Endoscopy and Laser, Sun Yat-sen University Cancer Center;

10/1999-present: Chief for Department of Endoscopy and Laser.

09/1987-07/1990: Master’s Degree in Internal Medicine (Digestive Disease Medicine), Nanfang Hospital of the First Military Medical University;

2003: Advanced studies in endoscopic ultrasonography, Kyoto Second Red Cross Hospital, Japan.

1. Expression of Rac-1 related to tumor depth, lymph node metastasis and patient prognosis in esophageal squamous cell carcinoma. Med Oncol. 2013;30(4):689.

2. Endoscopic ultrasound combined with submucosal saline injection for differentiation of T1a and T1b esophageal squamous cell carcinoma: a novel technique. Endoscopy. 2013;45(8):667-70. 

3. Application of endobronchial ultrasound-guided transbronchial needle aspiration in the management of mediastinal and hilar lymphadenopathy without intrapulmonary mass: experience from the largest cancer center of southern china. Cell Biochem Biophys. 2013;67(3):1533-8.

4. Complications of high intensity focused ultrasound for patients with hepatocellular carcinoma.Technol Cancer Res Treat. 2009;8(3):217-24.

5. Application of endoscopic sonography in preoperative staging of rectal cancer: six-year experience. J Ultrasound Med. 2011;30(8):1051-7.