Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are moderately well inflated . No overt pulmonary edema is identified . No focal opacity . There is moderate cardiomegaly and a small left pleural effusion . No right pleural effusion . No pneumothorax . Mediastinal contour and hila are unremarkable .
    OUTPUT:
    
1 . Moderate cardiomegaly with small left pleural effusion . 2 . No overt pulmonary edema , better visualized on CT thoracic spine with expanded field of view from 4 hours prior .