Study: Breast cancer can turn off key immune response

Related: Cancer

1. Cancer
   1. Melanoma treatment uses immune system to kill cancer cells
   2. Cancer increases bankruptcy risk, even for insured
   3. Author admits to faking bladder cancer
   4. Young patients fight cancer, one video game at a time
   5. Cops: Mom tells son he has cancer to scam friends
2. Top health stories
   1. 'Why would we wait?': Sisters face Jolie cancer dilemma
   2. Making mentally ill defendants ready for trial
   3. Fitness protects men from cancer, even 20 years later
   4. Gymnophobics are real-life 'never-nudes'
   5. Chorus of critics greets new psychiatric manual
3. Related videos & slideshows
   1. 
      Video
      Actress places genetic testing in spotlight
   2. 
      Video
      Immunotherapy targets cancer cells with remarkable results
   3. 
      Video
      Does ovarian cancer risk necessitate ovary removal?
   4. 
      Video
      Brad Pitt: Angelina Jolie is ‘heroic’