Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to ___ portable chest radiograph , there is mild improvement of the pulmonary vascular congestion and bilateral interstitial edema . Blunted left costophrenic angle is likely due to an obscuring bowel lobe rather than a true left pleural effusion . Heart size is moderately enlarged but stable . No consolidation , masses nor nodules are seen .
    OUTPUT:
    
1 . Mild improvement of pulmonary vascular congestion and bilateral interstitial edema since ___ without complete resolution . 2 . No radiographic evidence of pneumonia .