Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Lung volumes are low which somewhat limits the evaluation . There is a linear density in the right perihilar region likely representing atelectasis . A dense nodule in the left lower lung corresponds to a calcified granuloma on prior CT . Adjacent linear density likely represents scarring and appears unchanged . No large effusion or pneumothorax is seen . No definite displaced rib fracture is seen . No free air below the right hemidiaphragm .
    OUTPUT:
    
No definite rib fracture .