Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Post right upper lobectomy . Stable moderate partially loculated right - sided effusion and persistent right juxta hilar opacity . Interval increase in subsegmental atelectasis of the left base .
    OUTPUT:
    
Post right upper lobectomy with similar appearance of the right hemi thorax but slight interval increase in left basilar atelectasis .