Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous x-ray from ___ . Correlation is also made to CT abdomen from ___ . Lower lung volumes seen on the current exam . There is somewhat linear opacity identified at the right lung base suggestive of atelectasis . Increased density projects over the posterior costophrenic angles compatible with Bochdalek hernia on the left identified on prior CT . Elsewhere , lungs are clear . Cardiac silhouette is within normal limits . Osseous and soft tissue structures are grossly unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process . Probable right basilar atelectasis . If desired , repeat exam with better inspiratory effort can be performed .