Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Large bore central catheter terminates in the right atrium , in similar position to prior . IVC filter has a stable orientation . Heart size and cardiomediastinal contours are normal . Linear opacity in the right mid lung is unchanged and consistent with atelectasis . No focal consolidation , pneumothorax , or substantial pleural effusion .
    OUTPUT:
    
No acute cardiopulmonary process . This exam neither suggests nor excludes the diagnosis of pulmonary embolism .