We find that 26 of 39 autosomal chromosome arms show consistent large-scale copy-number gain or loss, of which only a handful have been linked to a specific gene.

• 我们发现， 26 39常染色体臂展一贯的大规模拷贝数的收益或亏损，其中只有极少数已经联系到一个特定的基因。