Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and cardiac valve replacement . No focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable and unremarkable . Chronic rib deformity at the right upper chest . Partially imaged right humeral prosthesis . Again , there is a tubular structure projecting over the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary process .