Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were obtained . Due to large body habitus , views are somewhat underpenetrated . Allowing for this , there is no focal consolidation , effusion , or pneumothorax . No definite signs of CHF . Cardiomediastinal silhouette appears stable . Old right posterior rib deformities are again noted .
    OUTPUT:
    
No definite signs of CHF .