Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a 1 .4 cm rounded opacity projecting over the left anterior second rib . The lungs are otherwise clear . The cardiomediastinal silhouette and hilar contours are within normal limits . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 .4 cm rounded opacity projecting over the left anterior second rib . Dedicated CT is recommended for further evaluation . No pneumonia .