Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right hemidiaphragm contour is markedly elevated to the level of the right hilum . The degree of right hemidiaphragm elevation has increased since ___ and was at a normal level on ___ chest radiograph . There is adjacent atelectasis at the right lung base . Heart size is normal . Left lung and pleural surfaces are clear . Surgical clips are present in the left paraspinal region . Feeding tube terminates below the diaphragm .
    OUTPUT:
    
Worsening right diaphragmatic elevation , possibly due to known history of large volume ascites . A coexisting subpulmonic effusion can not be excluded radiographically but there is no evidence of effusion on concurrent ultrasound exam .