A computed tomography (CT) system (300) includes a table (304) for holding a patient (302), a first gantry (311) for holding a radiation source (310) which emits penetrating radiation, and a second gantry (313) spaced apart from the first gantry holding a penetrating radiation detector (312) for receiving the penetrating radiation after passing through the patient. The penetrating radiation from the radiation source is angled at a non-perpendicular angle with respect to a longitudinal axis (322) of the table. A third gantry (320) is spaced apart from the first and second gantry including at least one radiation therapy source (321) or other (non-CT) imaging system, wherein the third gantry is located between the first gantry and the second gantry. The CT system thus permits computed tomography to occur simultaneously or substantially simultaneously with other procedures, such as various other radiation therapy systems, imaging modality or surgical procedures.