Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart is upper limits of normal in size . Mediastinal and hilar contours are normal . Lungs and pleural surfaces are clear . Lateral radiograph is limited by suboptimal positioning of the patient 's arms , resulting in obscuration of the normally clear retrosternal space . If warranted clinically , this view could be repeated at no additional charge .
    OUTPUT:
    
Technically limited chest radiograph demonstrating no acute cardiopulmonary radiographic abnormality .