Prognostic Significance of Microvessel Density Determining by Endoglin in Stage II Rectal Carcinoma: A Retrospective Analysis

Table 1

Clinical and pathologic characteristics of the rectal cancer samples.

Characteristics	Number of patients
Total number	95
Age, median 69 years
≤69	49
>69	46
Gender
Male	61
Female	34
Surgery
Low anterior resection	76
Abdominoperineal resection	19
Tumor location
Upper rectum	23
Middle rectum	52
Low rectum	20
Grade of differentiation
G1	55
G2	34
G3	6
Histologic type
Adenocarcinoma	82
Adenocarcinoma with mucinous features	13
Depth of tumor invasion
T3	37
T4a	42
T4b	16
Tumor size
≤4 cm	64
>4 cm	31