Table 1.

The clinicopathologic features of the patients studied

Patient characteristics (n = 140)
Feature	Frequency (n,%)
Gender
Male	66 (47.1)
Female	74 (52.9)
Age (years)
Mean (min, max)	74.3 (30–97)
Tumor size (mm)
Mean (min, max)	5.17 (1, 11)
Tumor grade
Low	25 (17.9)
High	115 (82.1%)
Lymphovascular invasion
Present	13 (9.3)
Not present	127 (90.7)
Recurrence
Yes	19 (13.7)
No	120 (86.3%)
Average follow-up time (mean, range)
76.6 months (16–250)

All patients were diagnosed with Stage II colorectal adenocarcinoma. Samples were collected between the years of 1986 to 2005 from the archives of the Department of Pathology at the Rhode Island Hospital.