Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vascularity is not engorged . Streaky opacities in the left lower lobe are present , which could reflect an area of atelectasis , though infection can not be excluded . No pleural effusion or pneumothorax is present . Gastrostomy catheter is noted in the left upper quadrant of the abdomen . The patient is status post right mastectomy . Stable compression deformity of a mid thoracic vertebral body is again noted .
    OUTPUT:
    
Streaky opacity in left lower lobe which may reflect an area of infection or atelectasis .