Fig. 2From: Clonal relationship of synchronous head and neck cancer and esophageal cancer assessed by single nucleotide polymorphism-based loss of heterozygosity analysisDistribution of the LOH profiles across all chromosomes in the 21 paired synchronous HNSCC and ESCC tumors. The LOH regions are shown in purple. For each case, there are two tumor samples; the upper row represents the tumor from HNSCC, while the lower row represents the matched ESCC. Chr, chromosomeBack to article page