Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right - sided Port - A - Cath is in place with its tip at the cavoatrial junction . The heart size is within normal limits , and the mediastinal and hilar contours are normal . The lungs show right apical opacity in a well - demarcated pattern , likely reflecting post-radiation changes as seen on prior CT . However , there are no other areas of consolidation . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Post-radiation changes of the right apex but no new consolidation to suggest pneumonia .