Table 3.
Comparison of regions frequently harboring CNAs in left‐ and right‐sided colorectal cancers with the micro satellite stable phenotype
| Chromosomal regions | Left‐sided MSS CRCs n = 56 (%) | Chromosomal regions | Right‐sided MSS CRCs n = 15 (%) |
|---|---|---|---|
| Gain | Gain | ||
| 8p11.1‐11.23 | 28–35(50.0–62.5) | 13q12.13‐12.3 | 9(60.0) |
| 8q | 31–38(55.3–67.8) | 20q13.33 | 9(60.0) |
| 20p | 28–33(50.0–58.9) | 7p21.1‐2 | 8(53.3) |
| 20q | 36–38(64.2–67.8) | 7q31.33 | 8(53.3) |
| 13q | 29–36(51.7–64.2) | 8q11.21‐13.3 | 8(53.3) |
| 7p | 29–33(51.7–58.9) | 13q12.11‐12 | 8(53.3) |
| 7q11‐21.11 | 33–35(58.9–62.5) | 20q11.21‐13.32 | 8(53.3) |
| 7q21.12‐36.3 | 28–31 (50–55.9) | ||
| LOH | LOH | ||
| 8p 12‐23.1 | 28–29(50.0–51.7) | 18q21.1‐22.3 | 9(60.0) |
| 17p11.2‐13.1 | 28(50.0) | 18q11.2‐12.3 | 8(53.8) |
| 18p | 32–34 (57.1–60.7) | 18p11.21‐32 | 8(53.8) |
| l8q | 33–38(58.9–67.8) | ||
| Copy‐neutral LOH | Copy‐neutral LOH | ||
| None | None |
Abbreviations: CRCs: colorectal cancers; LOH: loss of heterozygosity.