BIG wart blister after freezing with liquid nitrogen

Wart on foot after it was frozen with liquid nitrogen by the dermatologist. This video was filmed at home and not at the dermatologist's office. Follow up video: http://youtu.be/yYBySfZ84Wc (April 2013) Update video: http://youtu.be/KlVTLnVQpgQ (June 2013) Latest picture: http://i.imgur.com/f2Tg4Zv.jpg (September 2013) The wart was only the size of a penny before being frozen. There was a lot of pain and discomfort when the blister was there.