Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart is top - normal in size . Mediastinal contours normal . There is no pleural effusion or pneumothorax . Lung volumes are low . There is basilar opacity on the lateral view raising the concern for consolidation , possibly on the right . The left lung is grossly clear . No acute osseous abnormality seen .
    OUTPUT:
    
Basilar opacity seen on lateral view raising the concern for consolidation , possibly at the right lung base .