Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Dual - lead pacer is unchanged from prior exam with leads extending into the right atrium and right ventricle region . There is mild elevation of the right hemidiaphragm which is unchanged . There is no focal consolidation , effusion , pneumothorax . The heart and mediastinal contours appear grossly stable . Cortical irregularity and hypertrophy at the right AC joint is stable .
    OUTPUT:
    
No signs of pneumonia or other acute intrathoracic process .