Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates a right - sided pacemaker / AICD with the leads terminating in the right atrium and right ventricle . Again noted is a left - sided PICC , with the tip terminating in the right atrium . The cardiomediastinal silhouette is stable . No definite focal consolidation is identified . There is no pleural effusion or pneumothorax . A left sixth anterior expansile rib abnormality is better characterized on CT from same date .
    OUTPUT:
    
No acute intrathoracic abnormality .