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Surgery in the pelvic area may injure the nerves and the arteries near the penis, resulting in erectile dysfunction. Also, surgical procedures on the brain and the spinal cord may cause erectile dysfunction. Those procedures often associated with erectile dysfunction include:

• Aortoiliac or aortofemoral bypass
  
  
• Abdominal perineal resection
  
  
• Proctocolectomy
  
  
• Radical prostatectomy
  
  
• Radiation therapy for prostate cancer as well as for other cancers, such as bladder cancer, colon cancer, or rectal cancer
  
  
• Brachytherapy (seed implants) for prostate cancer
  
  
• Cryosurgery of the prostate
  
  
• Cystectomy (removal of the urinary bladder)

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