Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior film , the appearance is quite similar . Monitoring and support devices are similar to prior . However , the lower portion of the NG tube is difficult to trace on the current film due to underpenetration . Prominence of the cardiomediastinal silhouette , with sternotomy wires noted , is similar . Opacity in the right mid and lower zones hand the retrocardiac region as well as blunting of both costophrenic angles suggestive bilateral effusions is similar to prior . The right upper zone suggests some vascular plethora , though this is less pronounced in the left lung .
    OUTPUT:
    
Minimal interval change compared 1 day earlier . Lower portion of the NG tube is poorly visualized on the current film due to underpenetration .