Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The retrocardiac opacity persists on oblique views . In addition , a 1 .4 cm x 1 .4 cm nodule is now seen in the right lung field . Remainder of the lungs are clear .
    OUTPUT:
    
1 . Retrocardiac opacity persists and could represent a small sequestration or small amount of herniated fat through the diaphragm . 2 . 1 .4 - cm nodule in the right mid lung . Above findings warrant further evaluation with a chest CT on a non-emergent basis . Page to the ordering physician was not returned and thus a wet read of findings and recommendations was posted to the emergency department portal .