Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and aortic valve replacement . Dense mitral annular calcifications are re- demonstrated . The heart remains mildly to moderately enlarged . The mediastinal contours unchanged . Fiducial markers within the right upper lobe with adjacent opacity is compatible with known malignancy . Patchy bibasilar opacities may reflect atelectasis though infection is not excluded . Small pleural effusions are likely present . Numerous clips are demonstrated within the left axilla . No pneumothorax is present . There is no pulmonary edema . A plate with multiple screws span a left clavicular fracture .
    OUTPUT:
    
Bibasilar patchy opacities could reflect atelectasis though infection or aspiration can not be excluded . There are likely small bilateral pleural effusions . Fiducial markers within the right apex with adjacent opacity is compatible with known malignancy .