Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low . Left basal atelectasis with small left effusion noted . Pulmonary vascular congestion is noted without overt edema . A subtle opacity in the right lower lung may represent atelectasis or pneumonia . Cardiomediastinal silhouette appears normal . Bony structures are intact .
    OUTPUT:
    
Pulmonary vascular congestion , small left pleural effusion and left basal atelectasis , vague opacity in the right lower lung , question atelectasis versus pneumonia .