Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and aortic valve repair . Heart size is normal . Mediastinal contour is unchanged with mild tortuosity of the thoracic aorta . New opacification is noted involving the right mid and lower lung fields , with streaky left basilar opacity also demonstrated . The patient is status post wedge resections of the right upper lobe with several sutures again seen within the right mid to lower lung field . Blunting of the right costophrenic angle appears unchanged . Small left pleural effusion may be present . There is no pulmonary vascular engorgement . There is no pneumothorax . No acute osseous abnormalities are identified .
    OUTPUT:
    
Large area of opacification involving the right mid and lower lung fields , new compared to the prior exam , concerning for an infectious process . Left basilar opacity may reflect atelectasis or additional site of infection . Probable small left pleural effusion .