Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . A nodular density residing in the right lower lung is most compatible with a nipple shadow . There is no free air below the right hemidiaphragm . There is no focal consolidation , large effusion or pneumothorax . The heart is top normal in size . The mediastinal contour is normal . The imaged osseous structures are intact .
    OUTPUT:
    
No acute intrathoracic process . No signs of free air below the right hemidiaphragm .