Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Midline sternotomy wires and mediastinal clips are again noted . There is no convincing signs of pneumonia . No pleural effusion or pneumothorax is seen . Cardiomediastinal silhouette is stable with coronary stents again noted . On the lateral view there is diaphragmatic eventration noted anteriorly involving the right hemidiaphragm . Mid thoracic spine compression deformities appear grossly stable . Degenerative changes at the right shoulder are noted . No free air is seen below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .