Table 2

COX-2 expression and clinicopathological parameters in pancreatic carcinomas

Intensity
123
Histological type and grade
 Adenocarcinoma
  Well differentiated31010
  Moderately differentiated2105
  Poorly differentiated044
 Adenosquamous carcinoma004
Tumor size
 T1/T25109
 T3/T401414
Nodal involvement
 Negative578
 Positive01715
Metastasis
 M052322
 M1011
Stage
 I/II578
 III/IV01718
Localization
 Head42018
 Body/tail145
Positivity (%)a
 0–49210
 50–792186
 80–1001517
  • a Positivity was determined as the percentage of positively stained cells. In each section, five high-powered fields were selected at random, and a total number of at least 700 cells were evaluated.