“…Moreover, the prolonged drainage in this group of patients enables the examination of several aliquots of pericardial fluid for the presence of neoplastic cells [ 1 , 2 , 5 ]. After confirmation of NPE, the direct intra-pericardial chemotherapy is possible via pericardial drain [ 1 , 2 , 15 , 16 , 17 , 18 , 19 , 20 ].…”