Well,haha, none of it can be welded in so far as it needs all of that rotten stuff cutting out and then fabricating and such as for easy ,depends on wether you can weld and fab good enough or better to earn money at what your good at and pay somebody.
hasve a look at this one to get an idea of the fridge panel and the inner arch just like yours,
and funny enough the first picky look familiar
https://club8090.co.uk/forum/viewtopic.php?f=38&t=93497" onclick="window.open(this.href);return false;
given the state of whats visible and the fact that a.n.other has been in and had a play, whats the rest of the pertinent areas like
mm