Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Widening of the right paratracheal stripe appears unchanged , likely reflective of postsurgical changes with small hematoma and fluid , as seen on chest CT . Mediastinal and hilar contours are otherwise unremarkable , and the pulmonary vasculature is not engorged . Patient is status post right lower lobectomy . Small to moderate size right pleural effusion is re - demonstrated . The left lung is clear . No focal consolidation or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Small to moderate size right pleural effusion . Unchanged widening of the right paratracheal stripe , likely due to postsurgical changes .