Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding similar study of ___ . Status post sternotomy , previous bypass surgery and permanent pacer in left anterior axillary position with single endovascular electrode unchanged . No pulmonary vascular congestion has developed . Mild blunting of right lateral pleural sinus as before coinciding with multiple pleural scars along the right lateral chest wall . No reoccurrence of pneumothorax . Unchanged appearance of previously identified right posterior lower lobe segment with surgical marker unchanged .
    OUTPUT:
    
No evidence of new pulmonary congestion or increasing size of right lower lobe mass on this pre-operative chest examination in ___ years old patient scheduled for bladder surgery .