NPPB and hematopoietic and lymphoid cell neoplasm: Lung and hematologic cancers (n = 6) did not have NT-proBNP levels significantly different to other tumors (n = 24) (428.5 (152.3, 1212.0) vs. 257.5 (88.0, 981.3) pg/mL respectively; p = 0.402).