Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with most recent prior radiograph , there has been improvement in bilateral heterogeneous opacities . There is minimal persistent opacity at the left base . Opacity overlying the right medial lung is consistent with the neoesophagus . Right Port - A - Cath is in unchanged position . No pneumothorax or pleural effusion . Normal heart size , mediastinal and hilar contours .
    OUTPUT:
    
Interval improvement in bilateral opacities compared with ___ .