Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is mildly tortuous . The mediastinal and hilar contours are within normal limits . Pulmonary vasculature is not engorged . Subsegmental atelectasis is noted in the lung bases without focal consolidation . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities . Anastomotic sutures are noted in the left upper quadrant of the abdomen .
    OUTPUT:
    
Mild bibasilar atelectasis without focal consolidation to suggest pneumonia .