Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding similar study of ___ . The patient is status post sternotomy and previous bypass surgery . The heart is moderately enlarged . The configuration is the same with some relative prominence of the left ventricular contour to the left and posteriorly . Left atrial enlargement is also present but of more moderate degree . Previously described coronary calcifications and multiple surgical clips related to bypass surgery appear unchanged . Again noted is an upper zone re-distribution pattern with distended vessel in the upper pulmonary area and some interstitial edema on the bases with perivascular haze and a few peripheral lymph lines . Also noted is accentuated visibility of both minor and major fissure related to some wetness in the pleural spaces . There is evidence of some mild degree of chronic pulmonary congestion , may have increased slightly , but there is no significant advancement into interstitial edema and no central alveolar edema can be identified . No new discrete pulmonary parenchymal infiltrates are present . No pneumothorax is seen in the apical area . In comparison with the next previous examination of ___ , there may be a mild degree of progression of CHF . Same can be stated when comparison is extended to the chest examination of ___ .
    OUTPUT:
    
Mild degree of chronic CHF in patient , moderate cardiomegaly status post bypass surgery . No new acute infiltrates are seen and no major pleural effusions can be identified .