Extensive lymphadenopathy leading to cancerous pericardial effusion and tamponade in a T1 pancreatic head adenocarcinoma: a case report - Abdelgawad, Mohamed; Omar, Mahmoud; Eltahan, Hadeer; Davis, Tyler; Barghuthi, Lutfi; Kandil, Emad; Ismael, Hisham (Gland Surgery, 2021)