Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest PA and lateral radiograph demonstrates a tortuous aorta . Mediastinal and hilar contours are unremarkable . Stable moderate cardiomegaly . No evidence of pulmonary edema or pleural effusion . There is a right lower lobe opacity which is very similar to ___ chest radiograph .
    OUTPUT:
    
1 . No evidence of pulmonary edema . Stable moderate cardiomegaly . 2 . Opacification of right lower lung may represent infectious process ; however , given two months stability , concern for malignancy or chronic pulmonary embolus . Recommend further evaluation with chest CT .