Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Lateral right basilar opacity may be due to a small pleural effusion . Underlying consolidation not entirely excluded . The left lung is clear . The cardiac silhouette is mildly enlarged . Mediastinal contours are unremarkable . No evidence of pneumothorax is seen .
    OUTPUT:
    
Relatively low lung volumes . Lateral right basilar opacity may be due to a small pleural effusion . Mild enlargement of the cardiac silhouette . No overt pulmonary edema .