Osteopontin Expression Is Associated with the Poor Prognosis in Patients with Locally Advanced Esophageal Squamous Cell Carcinoma Receiving Preoperative Chemoradiotherapy

Table 1

Clinicopathologic features of 80 patients with locally advanced esophageal squamous cell carcinoma receiving preoperative chemoradiotherapy.

Parameters	Number of cases (percentage)
Age (years) (mean: 54.3, median: 53, range 37–77)
<50	25 (31%)
	28 (35%)
	22 (28%)
	5 (6%)
Sex
Male	77 (96%)
Female	3 (4%)
Clinical 7th AJCC stage
II	21 (26%)
III	59 (74%)
Clinical T classification
T2	7 (9%)
T3	36 (45%)
T4	37 (46%)
Clinical N classification
N0	20 (25%)
N1	25 (31%)
N2	25 (31%)
N3	10 (13%)
Tumor grade
Grade 1	16 (20%)
Grade 2	43 (54%)
Grade 3	21 (26%)
Primary tumor location
Upper	15 (19%)
Middle	31 (39%)
Lower	34 (42%)
Osteopontin expression
Low	42 (52%)
Median	15 (19%)
High	23 (29%)
pCR
Absent	59 (74%)
Present	21 (26%)

pCR, pathological complete response.