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Table 2 Pathology of siblings sharing the 7q31 allele (170 sib-relationships)

From: Abstracts from the 10th Annual Meeting of the Collaborative Group of the Americas on Inherited Colorectal Cancer, November 9–10, 2006, Nashville, Tennessee, United States. Clinical Science Podium Presentations

  All cases 0-shared alleles 1-shared allele 2-shared allele
Number of cases 163 26 106 38
Average age diagnosis 58.3 years 59.2 59.1 57.9
Right-sided cancers 42% 27% 44% 26%
Cancer Grade (G1:G2:G3) 11%:70%:19% 13%:75%:13% 12%:76%:12% 12%:72%:16%
Lymph node involvement (N1+N2) 30% 32% 33% 28%