Research Article

High Frequency of CD8 Positive Lymphocyte Infiltration Correlates with Lack of Lymph Node Involvement in Early Rectal Cancer

Table 1

Characteristics of early rectal cancer patients cohort ().

Age, mean, and median (range in years)68, 69 (36–91)
Tumor size (mm)36, 35 (12–70)
Gender
 Female 61 (49.6%)
 Male 65 (50.4%)
T stage
 T1 24 (19%)
 T2 102 (81%)
N stage*
 N0 97 (77%)
 N1 22 (17.5%)
 N2 7 (5.5%)
Tumor grade
 G1 6 (4.7%)
 G2 116 (92.0%)
 G3 4 (3.3%)
Tumor border configuration
 Infiltrative 50 (39.7%)
 Pushing 76 (60.3%)
Vascular invasion
 No 111 (88%)
 Yes 16 (12%)
Microsatellite stability
 Proficient 119 (94.4%)
 Deficient 7 (5.6%)
Survival mean, median, and range (months) 74, 75, 1–150
5-year survival (95% CI) 79.2% (72.2–86.9%)

Percentages do not add to 100% due to missing values. Survival analysis was performed according to the Kaplan-Meier method.