1. A fuzzy inference system for use in modulating radiation treatment, said system comprising: single input fuzzifier means for inputting and optimizing singular imaging data and a physician's treatment intention including dose/volume constraints for critical organs, normal tissues, targets and compromising strategy between critical organs, normal tissues, and targets; inference means operatively connected to said fuzzifier means, said inference means for analyzing the imaging data and the physician's treatment intention and determining radiation treatment target from non-treatment target; and defuzzifier means for modulating radiation treatment pursuant to the analysis from said inference means.