Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size , mediastinal and hilar contours are normal . Bibasilar patchy and linear opacities are present as well as small bilateral pleural effusions . Oral contrast is present within diverticula in the imaged portion of the upper abdomen , likely related to recent contrast CT scan .
    OUTPUT:
    
1 . Patchy and linear bibasilar opacities favor atelectasis , but aspiration is an additional consideration in the appropriate clinical setting . 2 . Small bilateral pleural effusions .