This photo shows the extent of the rust perforation in the passenger side "A" pillar, easily visible with the lower edge of the fender removed.
You may have noticed the different color the body has in these pictures compared to the ones of January 9. In the most recent photos, the car had just returned from its second trip to the media blaster.
This time, garnet, a harder material, was used to remove the rust. A side effect is the slightly more textured (and differently-colored) surface.