Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest ___ at 15 22 were submitted .
    OUTPUT:
    
The left hemidiaphragm remains elevated . The patient is status post left upper lung surgery with stable postsurgical changes in the left hemithorax . Patchy opacities seen at the medial right lung base which may reflect an area of atelectasis , although pneumonia should also be considered . Clinical correlation is advised . No pneumothorax . No pulmonary edema . Relatively low lung volumes . No large effusions .