Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy , CABG , and aortic and mitral valve prostheses . Left - sided pacemaker device is noted with single lead terminating in the right ventricle , unchanged . Moderate cardiomegaly is re - demonstrated . The aorta is tortuous and diffusely calcified . There is mild interstitial pulmonary edema , similar compared to the previous exam . Small bilateral pleural effusions , left greater than right are noted , with interval increase in the amount of pleural fluid on the left . No pneumothorax is demonstrated . Patchy opacity in the retrocardiac region likely reflects atelectasis . Diffuse demineralization of the osseous structures is noted . Several clips are demonstrated within the upper abdomen .
    OUTPUT:
    
Mild congestive heart failure with mild interstitial pulmonary edema , and small bilateral pleural effusions , with the left pleural effusion appearing increased in size compared to the prior exam .