Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . Similar mild - to - moderate relative elevation of the right hemidiaphragm compared to the left is unchanged . Streaky associated basilar opacity is similar and suggests minor atelectasis .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .