Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Left - sided pacemaker ends with leads in appropriate position . There is no focal consolidation , pleural effusion or pneumothorax . The previously seen nodule in the left upper lobe may be obscured by the overlying pacemaker . Previously seen right apical opacity has significantly decreased . The fiducial marker is seen . Cardiomediastinal and hilar contours are normal . No pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process . The fiducial marker is seen . Known left upper lobe nodule is not well seen and may be due to overlying pacemaker .