BackgroundMalignancies. especially lymphoma. are a common cause of adult secondary HLH and an independent risk factor for the prognosis of HLH patients. MethodsPatients with lymphoma alone or concurrent lymphoma-associated phagocytic syndrome (LAHS) admitted to Beijing Friendship Hospital from January 2016 to December 2020 were enrolled in this study. https://fentybeautys.shop/product-category/collections/