Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is not enlarged . The cardiomediastinal silhouette is within normal limits . Slight haziness over the right heart border is likely artifact due to mild pectus excavatum configuration . No CHF , focal infiltrate , effusion , or pneumothorax detected . There is suggestion of slight left convex curvature of the thoracic spine centered at the approximate T5 level . On the lateral view , visualized vertebral body heights and vertebral body alignment is preserved .
    OUTPUT:
    
1 . Heart size normal . No acute pulmonary process identified . 2 . Note made of mild pectus excavatum and slight left convex curvature of the thoracic spine .