Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Again seen are multiple rounded masses in the lungs , better seen on the lateral view . Small bilateral effusions are identified . There is more dense opacity projecting over the region of the right middle lobe , much of which is due to the known mass , although a component of postobstructive atelectasis or infection is also possible . Median sternotomy wires and mediastinal clips are again seen . Right chest wall port is seen with catheter tip at the lower SVC . Coronary artery stents are identified .
    OUTPUT:
    
Multiple bilateral pulmonary masses as previously seen by CT scan . Increased opacity in the middle lobe due to underlying mass with possible component of postobstructive infection or atelectasis . Persistent small bilateral effusions .