Table I.
Clinicopathologic characteristics of 90 young patients with MAC and SRC
| Variable | Value |
|---|---|
| Age, median (range) [years] | 36 (20–40) |
| Gender, n: | |
| Male | 69 |
| Female | 21 |
| Primary tumor location, n: | |
| Colon | 48 |
| Rectum | 42 |
| Histologic types, n: | |
| MAC | 69 |
| SRC | 21 |
| Adjuvant CT, n: | |
| Yes | 83 |
| No | 7 |
| Cycles of adjuvant CT, n: | |
| ≥ 6 | 77 |
| < 6 | 13 |
| Tumor size [cm]: | |
| ≥ 5 | 45 |
| < 5 | 45 |
| Surgical type, n: | |
| Radical | 65 |
| Palliative | 25 |
| T stage, n: | |
| T1/T2 | 4 |
| T3/T4 | 86 |
| N stage, n: | |
| N0 | 23 |
| N1 | 30 |
| N2 | 37 |
| Metastasis, n: | |
| No | 69 |
| Yes | 21 |
| Stage, n: | |
| I/II | 15 |
| III/IV | 75 |
| Preoperative CEA levels [U/ml] | |
| Mean (range ) | 18.5 (0.2–279) |
| Lymphovascular invasion, n: | |
| Positive | 41 |
| Negative | 49 |
| Perineural invasion, n: | |
| Positive | 40 |
| Negative | 50 |
MAC – mucinous adenocarcinoma, SRC – signet-ring cell carcinoma, CT – chemotherapy, n – number, CEA – carcinoembryonic antigen.