Table 2

iNOS expression in tumor cells of in situ and invasive ductal carcinomasa

iNOS-negative casesiNOS-positive casesTotal
In situ carcinomas232043
Invasive ductal carcinomas203656
Total435699
  • a Invasive carcinomas express significantly more cytoplasmic iNOS positivity than in situ carcinomas (P = 0.05).