Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is enlarged . The right hila is also prominent the likely secondary to known right hilar lymphadenopathy . As compared to prior examination from exam of ___ , the degree of congestion has improved . However , known lung nodules are better assessed on prior chest CT . There is extensive background of COPD . There is no focal consolidation concerning for pneumonia . The rounded density in the left chest wall is again seen , compatible with known left fourth rib osseous metastasis .
    OUTPUT:
    
1 . No focal consolidation concerning for pneumonia . 2 . Cardiomegaly in the background of COPD . 3 . Lung nodules are better assessed on prior chest CT . 4 . Redemonstration of known left fourth rib osseous metastasis .