NPPB and lymphatic system disorder: The analysis showed that the adenopathy was associated with a seriously increased mortality rate independently of the BNP concentration (adenopathy: p = 0.006, hazard ratio [95%CI] = 7.0 [1.9 - 26.3]; BNP: p = 0.013, hazard ratio [95%CI] = 2.0 [1.2 - 3.4]; the causes of PAH: p = 0.78).