Vanderweil participated in the development of the overall master plan to expand the existing hospital to a campus encompassing 185,806 m² (2,000,000 sf), the first phase of which is a new expansion hospital, oncology hospital, royal and private hospital, central utility plant, logistics building, and tunnel  network. The oncology hospital, designed for both in- and out-patient services, is a seven story plus basement new building consisting of these patient floors, a medical floor, an out-patient floor, a mechanical floor, and one floor shelled for future expansion. The below grade level includes radiation therapy. The patient floors include 84 beds.