Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior , there has been no significant interval change . Elevation of the right hemidiaphragm and platelike atelectasis is stable . The left lung is clear . There is no large pleural effusion , pulmonary edema , or pneumothorax . The cardiomediastinal and hilar contours are normal . Subclavian catheter ends in the right atrium .
    OUTPUT:
    
No significant interval change . No evidence of pneumonia or pulmonary edema .