Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient 's postoperative condition required examination in sitting semi-upright position using AP frontal and left lateral views . Comparison is made with the next preceding PA and lateral chest examination dated ___ . There is moderate cardiac enlargement as before . The cardiac contours are suggestive of some left ventricular enlargement in this elderly woman . Within the heart shadow , typical mitral ring calcifications can be identified . There is also some enlargement of the left atrium . The pulmonary vasculature is not significantly congested and no new acute parenchymal infiltrates can be identified . The patient 's inspirational efforts are shallow resulting in relatively high - positioned diaphragms . The lateral view obtained in marked tilted recumbent position shows mild blunting of the posterior pleural sinuses suggestive of some pleural effusion . On the next preceding chest examination , the lateral view demonstrated completely free posterior pleural sinuses .
    OUTPUT:
    
No evidence of new acute pneumonic infiltrates , moderate cardiomegaly and some pleural densities posteriorly suggest some mild degree of CHF . No other acute pulmonary or cardiovascular abnormalities are identified .