Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large hiatal hernia with adjacent atelectasis . Bibasilar opacities likely represent combination of the above , without clear focal consolidation . No large pleural effusion or pneumothorax is seen . The aorta is calcified and tortuous . Cardiac silhouette size is mildly enlarged . No overt pulmonary edema is seen .
    OUTPUT:
    
Cardiomegaly without overt pulmonary edema . Large hiatal hernia with adjacent basilar atelectasis .