Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . Streaky opacities with air bronchograms in the right infrahilar region are overall similar dated ___ and most likely reflect atelectasis , however are early aspiration in the appropriate clinical setting can not be excluded without a lateral view . Other than minimal left basal atelectasis , which is improved in the interim , the left lung is clear . No edema , effusion , or pneumothorax . Slight blunting of the right costophrenic angle may reflect pleural thickening and / or scarring , similar to ___ . The heart is normal in size , unchanged . The mediastinum is not widened . The descending thoracic aorta may be slightly tortuous and / or ectatic , unchanged .
    OUTPUT:
    
No significant interval change since ___ with persistent probable right infrahilar atelectasis .