Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . The aortic arch is calcified . Mediastinal contour is unremarkable . Pulmonary vasculature is not engorged . Lungs appear hyperinflated . Patchy opacities are noted in the lung bases , potentially atelectasis but infection or aspiration can not be excluded . Trace bilateral pleural effusions are also visualized , left greater than right . No pneumothorax is demonstrated . No acute osseous abnormality is identified .
    OUTPUT:
    
Patchy opacities in the lung bases , possibly atelectasis but infection or aspiration are not excluded . Small bilateral pleural effusions .