The Ph (-) bcr/abl(-) specimen from case 1 at 12 monthss post-allo-NSCT showed 0% bcr/abl (+) cells by FISH.

• 病例1移植后12个月Ph(-)bcr/abl(-)的标本行FISH检测,结果bcr/abl(+)细胞检出率为0%25。