Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . A right - sided central venous catheter is seen , terminating approximately the level of the right cavoatrial junction / right atrium . A second right central venous catheter that was present on the prior study is no longer present . Previously seen pacer leads are stable in position . Left mid lung atelectasis / scarring is again seen . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . No evidence of pneumothorax is seen .
    OUTPUT:
    
No acute cardiopulmonary process .