Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Patient is status post right pneumonectomy with persistent complete opacification of the right hemithorax postoperative due to prior pneumonectomy . There is persistent secondary shift of the mediastinum to the right and hyperexpansion of the left lung . No focal consolidation is seen in the left lung . There is no left pleural effusion or evidence of pneumothorax .
    OUTPUT:
    
Status post right pneumonectomy without acute cardiopulmonary process .