Department of Pathology 989th Hospital of PLA Luoyang 471000 Henan Province China;
Department of Pathology 988^th Hospital of PLA Zhengzhou 450042 Henan Province China;
Department of Pathology Sanmenxia center Hospital Sanmenxia 472000 Henan Province China;
Department of Pathology Luoyang First People’s Hospital Luoyang 471000 Henan Province China;
Diffuse large B cell lymphoma; Warthin’s tumor; Parotid gland; Follicularlymphoma; Case report; Genetic feature;