Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a normal cardiomediastinal silhouette and well - aerated lungs without focal consolidation , pleural effusion , or pneumothorax . There is mildly increased vascular congestion and diffuse interstitial abnormality , suggestive of mild cardiac decompensation . A 5 mm nodule in the right lower lobe has been unchanged on CT since ___ . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
1 . No focal consolidation to suggest bacterial pneumonia . 2 . Mildly increased vascular congestion and diffuse interstitial abnormality is suggestive of mild cardiac decompensation .