Intensity-Modulated Radiation Therapy (IMRT) performs high quality treatment through inverse planning calculation. Higher radiation doses can be delivered directly to tumors, while surrounding organs and tissues are protected. This precise treatment requires more elaborated treatment planning and validation; it needs longer treatment time as well. In general, IMRT technique is more suitable for tumors with irregular shapes or close to the critical organ. Lower doses to critical normal tissues may translate into less complications or side effects. For example, in the case of head and neck tumors, IMRT minimizes radiation exposure of the spinal cord, optic nerve, salivary glands or other critical structures. These advantages of dose distribution cannot be achieved by traditional three-dimensional conformal radiation therapy (3D-CRT). Most importantly, the execution of a successful IMRT treatment requires good equipment and a strong, experienced team including physicians, physicists, and therapists. Our team can provide you the best service.