Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . There is bibasilar opacification corresponding to opacity over the spine on the lateral view , which could represent infection . There are diffusely increased interstitial lung markings compatible with mild pulmonary interstitial edema . A small left pleural effusion is possible . No right pleural effusion or pneumothorax is seen . The cardiac silhouette is enlarged . The mediastinal and hilar contours are within normal limits .
    OUTPUT:
    
1 . Mild pulmonary interstitial edema and possible small left pleural effusion . 2 . Bibasilar opacities could reflect underlying infection . Consider repeat chest radiographs following diuresis . 3 . Cardiomegaly .