Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Deep brain stimulator device packs are noted overlying the anterior chest walls bilaterally . Heart size is mildly enlarged . Mediastinal and hilar contours are unremarkable . No pulmonary vascular engorgement is seen . There is minimal patchy left basilar opacity likely reflective of atelectasis . Blunting of the costophrenic angles posteriorly on the lateral view suggests trace pleural effusions . No focal consolidation or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Left basilar atelectasis . Probable small bilateral pleural effusions posteriorly .