1. A method of brachytherapy, comprising the steps of: implanted applicator having at least one receiving channel (62) for the radiation source or radioactive grains, in soft tissue adjacent the target area (40) to be irradiated, an image is formed (64) scheduling high resolution of the target area, comprising an applicator, and use of planning a high resolution image for three-dimensional determination of the plan (66) of treatment iotslezhivayut position the applicator relative to the target area (40) and plan (66) of treatment, the tracking position includes measuring, by sensing shape, location, and shape of the at least one receiving channel (62) for the radiation source or radioactive zerna.2. A method according to claim 1, further comprising: at least one step selected from the group consisting of (i) placing at least one radiation source or radioactive grains (72) in the target area (40) through at least one channel (62) for the radiation source or radioactive grains and (ii) extracting at least one radiation source or radioactive grains from the target area through at least one channel for the radiation source or radioactive grains, wherein at least one radiation source or radioactive ivnoe grain passes through the channel within the target field in accordance with the plan (66) lecheniya.3. A method according to claim 2, wherein the position tracking includes at least one selected from the group consisting of (i) placing an optical fiber (80) from the fiber Bragg gratings in the target area (40) and (ii) extracting optical fiber Volok
