Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual lead left - sided AICD is seen with leads extending the expected positions of the right atrium and right ventricle . The there is slightly changed in position however , continue to extend to the expected positions of the right atrium and right ventricle . The cardiac silhouette remains mildly enlarged . The mediastinal contours are stable . There is right lung base streaky opacity in a relatively linear configuration , most likely due to atelectasis , and not seen on the lateral view . There is also mild lingular atelectasis / scarring . No pleural effusion is seen . There is no pneumothorax . There may be mild central vascular engorgement .
    OUTPUT:
    
1 . Stable mild cardiomegaly with possible mild central vascular engorgement . 2 . Likely right basilar atelectasis .