#$%^&*AU2019213403A120200305.pdf#####ABSTRACT An adjustable support (1) for a gantry for a radiotherapy apparatus, wherein the support (1) comprises a base (2) and a mounting member (3) for supporting a gantry, wherein the position of the mounting member (3) relative to the base (2) is adjustable. [Fig. 1]Rz Rz 1/4 Rx Ry b 1i.5c 7a 5a4b5 4a 2 6 5b Fig. 1