Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is re- demonstrated . A large hiatal hernia is again noted . Tortuosity of thoracic aorta is present . There is mild pulmonary vascular congestion . Patchy opacities in the lung bases may reflect areas of atelectasis however aspiration is not excluded . No large pleural effusion or pneumothorax is present . No acute osseous abnormalities detected .
    OUTPUT:
    
1 . Mild pulmonary vascular congestion . 2 . Large hiatal hernia with patchy bibasilar airspace opacities , likely atelectasis , however aspiration is not excluded .