Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are reasonably well expanded . Left retrocardiac streak the airspace opacity likely reflects atelectasis . The bilateral costophrenic angles are slightly blunted , which may be secondary to small effusion , atelectasis , scarring , or patient body habitus . A rounded nodular opacity overlies the right upper lung and distal clavicle , and is incompletely localized on this single image . There is no large pneumothorax or frank pulmonary edema . The cardiac silhouette is within normal limits .
    OUTPUT:
    
1 . No evidence for acute cardiopulmonary process . 2 . Incompletely localized rounded opacity projecting over the right upper lung . Recommend chest CT for further evaluation .