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LOH in Histologically Normal Ducts/TDLUs versus Co-Existing Cancers
| Samples | No. (%) cases with LOH | No. (%) samples with LOH | No. (%) cases with same LOH in normal and cancer | No. (%) samples with same LOH in normal and cancer | Extent of LOH |
|---|---|---|---|---|---|
| Ducts/TDLUs | 8/18 (44%) | 14/109 (13%) | 1/8 (13%) | 1/14 (7%) | Single locus |
| In situ cancer | 14/14 (100%) | 29/32 (91%) | NA | NA | Multiple ≫ single |
| Invasive cancer | 9/10 (90%) | 19/20 (95%) | NA | NA | Multiple ≫ single |
