“…Overall survival at 5 years could be extracted from 25 studies; the mean was 45% (SD 22), with extremes of 86% 58 and zero. 57 Disease-free survival at 2 years was found in 17 studies, 2,43,[54][55][56][57][58]60,62,65,66,[68][69][70][71]73,78 that at 3 years in 20 reports 4,6,8,43,[54][55][56][57][58]60,62,65,66,[68][69][70][71][72][73]78 and that at 5 years in 24 publications. 2,4,6,8,43,[54][55][56][57][58][60][61]…”