Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views were obtained of the chest . There are pacemaker boxes in both the right and left upper chest with pacemaker leads emanating from both . Leads from both boxes terminate in the conventional positions over the right atrium and ventricle . The lungs are clear without pleural effusion or pneumothorax . The heart is normal in size with normal mediastinal and hilar contours .
    OUTPUT:
    
No acute intrathoracic process .