That is probably the easiest place on the entire truck to cut out, fab a patch, and weld back in without any risk of warping due to the support provided by the 90 degree fold in that area. When you get it taken care of, don't get cocky kid, you won't be so lucky in other areas.
Carl

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission