Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral images through the chest demonstrate clear lungs bilaterally . Visualized cardiomediastinal and hilar contours are within normal limits . No evidence of pleural effusion . No definite pneumothorax is identified . A BB is identified in the posterior lateral soft tissues at the level of the ___ left rib anteriorly . No definite rib fracture is identified . There is no free intra-abdominal air .
    OUTPUT:
    
Unremarkable chest radiograph . Possible irregularity of the ___ left lateral rib on outside film not well visualized . Dedicated rib films can be considered if clinically indicated .