Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: This is a highly limited study due to technique and patient body habitus . Cardiac silhouette is massively enlarged . Lung volumes are persistently low with diffuse bilateral opacities with probable improvement of retrocardiac densities with increased aeration but with persistent right - sided and left apical indistinct opacity .
    OUTPUT:
    
Persistent scattered indistinct opacities with slightly improved aeration of the left lung base .