Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low . Heart size is accentuated as a result , and appears borderline enlarged . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . Patchy atelectasis is noted at the lung bases without focal consolidation . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes with mild bibasilar atelectasis .