Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is within normal limits . Within the limits of plain film radiography , no hilar or mediastinal lymphadenopathy is detected . No CHF , focal infiltrate , effusion , or pneumothorax is detected . Small ( 3 .8 mm ) rounded density adjacent a right heart border is thought to represent a vessel seen on - end . A small calcified granuloma is considered less likely . Minimal atelectasis in the right cardiophrenic angle is noted .
    OUTPUT:
    
Minimal atelectasis right cardiophrenic region . Otherwise , no acute pulmonary process identified .