Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient was unable to raise arms for the lateral radiograph , obscuring evaluation . Again noted is moderate - to - severe cardiomegaly , with a tortuous and calcified aortic arch . Left lower lobe opacity persists on the AP view , and can not be well evaluated on the lateral view . The right lung is grossly clear . No significant pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Moderate - to - severe cardiomegaly . 2 . Left lower lobe atelectasis or consolidation .