Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . The heart remains top normal in size . Mediastinal contour is stable . No large consolidation , effusion or pneumothorax is seen . No overt signs of pulmonary edema . Bony structures appear stable .
    OUTPUT:
    
No acute intrathoracic process .