- 1st - Outpatient Floor
In addition to general reception, to floor contains an outpatient adult consultation room and clinical testing room, CT and MRI examination rooms, and others.
- 2nd - Staff Floor
Along with a treatment-planning room and other staff-occupied rooms, this is directly connected by a corridor to the children's hospital.
- 3rd - Proton Beam Therapy Floor
Together with two proton beam therapy rooms, this floor includes rooms for anesthesia administration and recovery for children.
On the third-story Proton Beam Therapy Floor, the areas for pediatric and adult patients are separated out of consideration for pediatric patients whose immune systems have been reduced by chemotherapy.