In the Kite Runner, What physical scars does Amir bear from his fight with Assef? Which is most significant?

In chapter 23 Amir is losing consciousness. Coincidentally, Amir ends up slicing his lip in a fight. Amir's physical abuse also includes his spleen had to be removed, fractured ribs, a punctured lung broken eye socket bones, a missing tooth, and multiple lacerations. Surgery is required to remove his spleen which means there will be discoloration of the skin as a result.