No statistical difference was found between RET/PTC1 and RET/PTC3.     ///    "As a result, no significant correlation was found in between prognosis and RET/PTC frequency.. "    ///    "This study aims to identify the prevalence of RET/PTC oncogene expression in Turkey, and to investigate the correlation between RET/PTC oncogene expression and the known prognostic factors of PTC in 101 patients. "    ///    None of genetico-clinical analyses showed any significant association between RET/PTC expression and the clinical and pathological features of the cancers.     ///    "There was RET/PTC2 positiveness in two patients, RET/PTC2,3 positiveness in one patient, and RET/PTC1,2,3 positiveness in one patient. "    ///    "RET/PTC1 in 32(31.7%), RET/PTC3 in 21(20.8%), RET/PTC1+RET/PTC3 both in 10(9.9%) patients were found to be positive. "    ///    RET/PTC was determined positive in 67(66.3%) of totally 101 patients (p<0.001).     ///    "While this prevalence of the RET/PTC is less than RET/PTC frequency seen after Chernobyl in Belarus, its prevalence in our region is also high (66.3%). "    ///    The prevalence of RET/PTC mutations in papillary thyroid cancers in Turkish population and its relation between tumor histopathology and prognostic factors..     ///    Correlation of RET/PTC expression with clinical outcome is controversial. 