Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post right upper lobectomy with expected right - sided volume loss and rightward shift of mediastinal structures noted . Right apical opacification corresponds to known extrapulmonary disease extension as seen on the prior PET - CT . Right hilar fullness corresponding to a known mass appears relatively unchanged . Left lung is clear . The cardiac and mediastinal contours are similar . There is no pulmonary edema , new focal consolidation , or pleural effusion . No pneumothorax is identified . No acute osseous abnormalities are seen .
    OUTPUT:
    
Right apical opacity corresponds to known extrapulmonary disease extension as seen on the prior PET - CT . Unchanged fullness of the right hilum corresponding to known mass . No new focal consolidation to suggest pneumonia and no pneumothorax identified .