When the Heart Is the Target: Case of Primary Pericardial Diffuse Large B‐Cell Lymphoma Presenting With Tamponade. - Bawwab, Ameed; Khatib, Lana; Albliwi, Moath Ahmad Salman; Yang, Linlin; Zhao, Pei Jun; Mayordomo, Jose I. (Case Reports in Oncological Medicine, 2026)