PT - JOURNAL ARTICLE AU - Yun-Tzu Liang AU - Pui-Ying Leong AU - James Cheng-Chung Wei TI - Questions on the Bidirectional Relationship Between Primary Sjögren Syndrome and Non-Hodgkin Lymphoma AID - 10.3899/jrheum.201352 DP - 2020 Nov 15 TA - The Journal of Rheumatology PG - jrheum.201352 4099 - http://www.jrheum.org/content/early/2020/11/10/jrheum.201352.short 4100 - http://www.jrheum.org/content/early/2020/11/10/jrheum.201352.full AB - We have read with great interest in the article by Wang, et al on the higher incidence of non-Hodgkin lymphoma (NHL) in patients with primary Sjögren syndrome (pSS) and the higher incidence of pSS in patients with NHL1. Thank you for the discovery of the bilateral relationship between pSS and NHL in this nationwide population-based study1.