Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A frontal supine view of the chest was obtained portably . There is no focal consolidation , pleural effusion or pneumothorax . Mild - to - moderate cardiac enlargement is unchanged . Mediastinal and hilar contours are stable . Right hemidiaphragmatic elevation is unchanged .
    OUTPUT:
    
No acute intrathoracic process .