Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , or pneumothorax is seen . Heart size is top normal , similar to chest CT in ___ . Mediastinal contours are within normal limits . No free air below the right hemidiaphragm .
    OUTPUT:
    
1 . No acute process . Previously seen lung nodules are not appreciated radiographically and should be followed with CT as previously recommended . 2 . Top normal heart size , as seen previously .