Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is bibasilar atelectasis . No discrete focal consolidation is seen . The cardiac silhouette is enlarged . The aorta is calcified and tortuous . No large pleural effusion or pneumothorax . No overt pulmonary edema . There are degenerative changes along the spine . There are also degenerative changes at the right acromioclavicular joint . No displaced fracture is identified . Rounded calcific structures in the right upper to mid abdomen , partially imaged , may represent gallstones or fecal material .
    OUTPUT:
    
Enlarged cardiac silhouette . Bibasilar atelectasis . No definite focal consolidation or displaced fracture is seen . Rounded calcifications in the right upper quadrant , at the inferior aspect of the images , most likely represent gallstones versus fecal material .