Based on this database a pooled analysis of data on the rates of RET/PTC1, RET/PTC3 and RET/PTC in total was conducted.     ///    "For rates of RET/PTC1, RET/PTC3 and RET/PTC in total with respect to formed carcinoma striations the following values (pooling, in %) were obtained: sporadic, total--13.2. "