Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right upper lobe opacity is less conspicuous on this examination . There are no other lung opacities . The right heart border is obscured . No pleural effusion is seen .
    OUTPUT:
    
1 . Resolving right upper lobe opacity . 2 . Obscuration of right heart border is likely a function of anatomical changes due to mild pectus deformity of the lower sternum