Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Slightly low lung volumes results in bronchovascular crowding . There is no focal consolidation , pleural effusion or pneumothorax . Mild bibasilar atelectasis is seen . Heart size is normal . Mediastinal silhouette and hilar contours are normal with mild aortic tortuosity . Fiducials project over the upper abdomen and a common bile duct stent is in place .
    OUTPUT:
    
No pneumonia , edema , or effusion .