Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , effusion or pneumothorax . No central vascular congestion or overt pulmonary edema . Opacity in the left upper lung corresponds with a prominent osteophyte at the first costosternal junction , better assessed on prior chest CT . Pleural and parenchymal scarring in the right mid and lower lung , as well as associated pleural calcifications , are similar to prior . Mediastinal and hilar contours are stable . Mild cardiomegaly is stable .
    OUTPUT:
    
1 . No acute intrathoracic process . 2 . Stable mild cardiomegaly . 3 . Similar appearance of pleural and parenchymal scarring in the right mid and lower lung with associated pleural calcifications .