That nagging feeling

While chugging along on the front of the Louisa Harding Sloppy Joe sweater, shaping the armscyes, it occurred to me that something is off with the armscyes on the back of the sweater. I'm (not so) secretly hoping that I can simply sew up the sweater and the difference won't matter, but the closer I get to binding off the front of the sweater, the greater that nagging feeling grows...