Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Comparison is made with the next preceding similar study of ___ . The heart size remains unchanged in size and is within normal limits . Status post sternotomy as before . Pulmonary vasculature is not congested and has not changed from the preceding examination . The on the next preceding examination identified multiple patchy infiltrates within the right hemithorax and suspected to include atypical infection and pulmonary hemorrhage or pulmonary drug reaction have regressed . The present appearance of the lung is similar to what has been described on the next preceding chest examination of ___ . In the area of concern at that time , which was overlying the second right - sided intercostal space , no new appreciable parenchymal infiltrate or mass density has developed .
    OUTPUT:
    
Stable chest findings in patient with rather advanced COPD . Sternotomy was related to two - vessel bypass grafting as described in medical records .