High-level amplifications and homozygous deletions.

aSpecimen(s) with high-level amplification or presumptive homozygous deletion.bIncludes low-level respective gain/loss at the same locus.cBoldface indicates gene expression well-measured by microarray and elevated when amplified.dUnderlined genes are those confirmed homozygously deleted by PCR.eBoundaries vary among specimens; minimum shared region indicated.f43% of specimens exhibited homozygous deletion by PCR.