Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Midline sternotomy wires , mediastinal and upper abdominal clips are again noted . Small bilateral pleural effusions are again noted . The heart is top - normal in size . Mediastinal contour is normal . Mild atelectasis at the bases better assessed on same - day CT . Scattered areas of atelectasis likely account for reticular opacities within the lungs . A more nodular opacity projects over the left upper lung . No free air below the right hemidiaphragm .
    OUTPUT:
    
Small bilateral pleural effusions . Scattered atelectasis . Possible nodule on the left upper lung , for which dedicated PA and lateral views recommended to further assess once the acute symptoms resolve .