Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Again seen is opacification of the right hemithorax from prior right pneumonectomy . There is persistent shift of the mediastinum to the right with hyperexpansion of the left lung . The left lung is clear without evidence of focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
Status post right pneumonectomy with no acute cardiopulmonary process .