Table II.
Patient demographics and clinicopathological characteristics.
| Case no. | Age (years) | Gender | Family history (number of relatives with cancer) | Tumor site | Differentiationa | Perineural invasion | AJCC stage |
|---|---|---|---|---|---|---|---|
| C1 | 28 | F | 1, FDR with CRC | Right colon | 2 | No | IIIb |
| C2 | 34 | M | 1, FDR with CRC | Right colon | 2 | No | IIa |
| C3 | 31 | F | 1, FDR with CRC | Right colon | 1 | No | IIa |
| C4 | 26 | F | 1, FDR with CRC | Right colon | 3 | No | IIIb |
| C5 | 31 | F | 1, FDR with CRC | Rectum | 2 | No | IIb |
| C6 | 33 | M | 2, FDR with CRC | Right colon | 1 | No | IIa |
| C7 | 33 | M | 1, SDR with CRC | Rectum | 3 | No | IIIc |
| C8 | 34 | F | 1, SDR with CRC | Rectum | 1 | No | I |
| C9 | 34 | M | 2, SDR with CRC; 1, TDR with CRC | Rectum | 2 | No | IIIc |
| C10 | 34 | M | 1, FDR with other cancer | Right colon | 2 | Yes | IIIb |
| C11 | 33 | F | 1, FDR with other cancer | Right colon | 2 | No | IIIb |
| C12 | 33 | M | 1, FDR with other cancer | Right colon | 2 | No | IIa |
| C13 | 31 | M | 1, FDR with other cancer; 1, SDR with other cancer | Rectum | 2 | No | IVa |
| C14 | 31 | M | 1, SDR with other cancer | Right colon | 2 | No | IIIb |
| C15 | 25 | M | 1, SDR with other cancer | Rectum | 2 | No | I |
| C16 | 27 | M | None | Right colon | 1 | No | IIc |
| C17 | 26 | M | None | Left colon | 2 | No | IIb |
| C18 | 27 | F | None | Rectum | 2 | No | IIIb |
| C19 | 31 | M | None | Rectum | 3 | No | IIIb |
| C20 | 31 | M | None | Rectum | 2 | No | IIIa |
| C21 | 27 | M | None | Rectum | 1 | No | I |
| C22 | 18 | M | None | Right colon | 3 | No | IIIc |
| C23 | 23 | M | None | Right colon | 3 | No | IIIb |
| C24 | 30 | F | None | Left colon | 2 | No | IIIb |
| C25 | 27 | F | None | Rectum | 3 | No | IIa |
| C26 | 33 | F | None | Rectum | 2 | No | IIIb |
| C27 | 29 | M | None | Left colon | 2 | No | IIIc |
| C28 | 28 | M | None | Left colon | 1 | No | IIb |
| C29 | 34 | F | None | Right colon | 2 | No | IIIa |
| C30 | 28 | F | None | Right colon | 2 | No | IIIa |
| C31 | 35 | F | None | Right colon | 2 | No | IIIb |
| C32 | 35 | F | None | Right colon | 2 | No | IIb |
| C33 | 30 | F | None | Rectum | 2 | No | IV |
| C34 | 26 | F | None | Rectum | 2 | Yes | IV |
| C35 | 34 | M | None | Rectum | 1 | No | Ib |
| C36 | 33 | M | None | Left colon | 2 | No | IIIb |
| C37 | 35 | F | None | Right colon | 2 | No | IIIc |
| C38 | 27 | F | None | Rectum | 2 | No | IIb |
| C39 | 32 | M | None | Rectum | 2 | No | IIb |
| C40 | 35 | M | None | Rectum | 2 | No | IIa |
a
Degree of differentiation: 1, well; 2, intermediate; 3, poor. F, female; M, male; CRC, colorectal cancer; FDR, first-degree relative; SDR, second-degree relative; TDR, third-degree relative; AJCC, American Joint Committee on Cancer.