Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post right total pneumonectomy with expected postoperative changes including rightward shift of mediastinal structures . Right - sided Port - A - Cath tip appears to terminate in the low SVC . Heart size is difficult to assess given the prior pneumonectomy , but the cardiac and mediastinal contours appear unchanged . Patchy opacities are demonstrated within the left lung base . No left - sided pleural effusion or pneumothorax is present . Small hiatal hernia is again visualized . No acute osseous abnormalities are detected .
    OUTPUT:
    
Status post right pneumonectomy . Patchy opacity in the left lung base may reflect pneumonia in the correct clinical setting .