RET rearrangement was detected in 9 (12%): RET/PTC1--5, RET/PTC3--2, unspecified RET/PTC--1 and delta RET/PTC--1.     ///    [Frequency of RET/PTC rearrangement and somatic BRAF mutation in papillary thyroid cancer]..     ///    Younger tumor patients were mostly prone to RET/PTC rearrangement (p = 0.08). 