Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable chest x-ray in supine position shows interval increase of left lung base opacification due to increased pleural effusion and atelectasis . Right lung base has improved with reduced pleural effusion . Persistent mild vascular congestion . Heart size is larger since prior CXR . Dedicated echocardiography is recommended to assess pericardial effusion . There is no pneumothorax .
    OUTPUT:
    
Interval increase of left pleural effusion and atelectasis with improved ventilation of the right lung base . Increased cardiomegaly warrants further characterization by echocardiography . Findings were paged to Dr ___ , ___ at 6 : 13 by Dr ___