Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post right pneumonectomy with evidence of volume loss in the right hemithorax , including rightward shift of mediastinal structures . Assessment of the cardiac and mediastinal contours is limited due to the post pneumonectomy changes . Left lung demonstrates mild atelectatic changes in the lung base . No focal consolidation or pleural effusion is seen . No pulmonary vascular engorgement is noted . There is no pneumothorax within the left hemithorax . Diffuse demineralization of the osseous structures is noted .
    OUTPUT:
    
Status post right pneumonectomy . Mild left basilar atelectasis , without evidence for pneumonia .