Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient had recent sternotomy for CABG and mitral valve repair . Mild - to - moderate mediastinal and cardiac enlargement is stable . Right - sided Swan - Ganz has been slightly advanced in right pulmonary artery . Lower lobe atelectasis , more prominent on the left side is stable . Pleural effusions are small if any . There is no pneumothorax .
    OUTPUT:
    
1 . Swan - Ganz is in adequate position . 2 . The remaining of the exam is stable since ___ with lower lobe atelectasis , more prominent on the left side . 3 . Pleural effusion are small if any .