Amcangyfrifir y bydd rhwng 100 a 130 o gleifion yn cael eu trin yn y theatr fodwlar dros dro newydd rhwng mis Ionawr a mis Ebrill 2018.
It is estimated that between January 2018 and April 2018 the number of patients that will be treated within the new temporary modular theatre will be between 100 and 130.