Gary I mostly shoot shoulders about 3-4 inches below the spine.
Best advice I could give:
Do not look at the deer, and the shot presentation, in the terms of two dimensional, with the vital area on the visible outside of the deer, like a deer target. Think of the chest cavity like a basketball. A perfect shot through the interior dead center, could enter and exit at any point on the entire surface, depending on which way the ball is turned.
The best way to visualize the interior dead center of the three dimensional vitals, is the technique of shooting for the exit. When doing this, even if you don't account for the 2.75-inch gap between your scope center and bore at muzzle, that gap at the muzzle is not large enough to miss the vitals.
Think about it. If you could have frozen that large doe in place, climbed down from the tripod, and held the muzzle against the deer at the same angle, using the scope to line up with the interior dead center of the vitals, the bullet out the muzzle would still go through the vitals and kill the deer dead. Every foot you back away, that 2.75-inch gap will reduce. That tiny gap is not big enough to miss such a large object inside a big doe.
I believe you aimed for the entrance, not taking into account the angle and the exit. And just like scoring rings on a 3-D target, you can hit the outer 10-point scoring ring, but in reality, depending on shot angle, that could be a horrible shot on a real deer when the shot must pass through the deer to strike vitals. Visualize and aim for exit.