Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ at 04 :54 and allowing for technical differences , there is increased opacity at the left lung base , with new obscuration of left hemidiaphragm , which could reflect a small effusion and / or increased left lower lobe collapse and / or consolidation . Otherwise , I doubt significant interval change . Again seen is vascular plethora consistent with CHF and opacification of the right mid and lower zones with obscuration of the right hemidiaphragm . This latter finding likely reflects combination pleural fluid and underlying collapse and / or consolidation . Cardiomediastinal silhouette , including widened superior mediastinum , a appears unchanged , with sternotomy wires noted . Tracheostomy tube again noted . Bilateral IJ lines are again noted . No pneumothorax detected . Oblong density in the right paratracheal region is consistent with calcified paratracheal lymph nodes .
    OUTPUT:
    
Worsening opacity at the left lung base .