College of Biotechnology and Bioengineering University of Technology 310032 Province;
Department of Gastroenterology Provincial People’s Hospital’s Hospital of Hangzhou Medical College 310014 Province;
Department of Endoscopy Center Provincial People’s Hospital’s Hospital of Hangzhou Medical College 310014 Province;
Department of Pathology Provincial People’s Hospital’s Hospital of Hangzhou Medical College 310014 Province;
Cancer Center Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province Provincial People’s Hospital Medical College 310014 Province;
Molecular Diagnosis Laboratory Provincial People's Hospital's Hospital of Hangzhou Medical College 310014 Province;
Intestinal natural killer/T-cell lymphoma; Endoscopic ultrasound-guided fine-needle biopsy; Multicolor flow cytometry immunophenotyping; Diagnosis; Case report;