Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Streaky left basilar opacity likely reflects atelectasis . The lungs are otherwise clear . There is no pneumothorax . Again the aorta is tortuous , relatively stable from the prior exams . Cardiac silhouette is stable in size . No obvious rib fractures noted . There is a mild compression of a mid thoracic vertebral body , not significantly changed from ___ . Screw within the right proximal humerus is noted . IVC filter is partially imaged .
    OUTPUT:
    
1 . Left basilar atelectasis . 2 . Mild mid thoracic vertebral body compression fracture , similar to ___ .