Yup - saw that, Marly. That's why I just thought it sounded very odd. The actual quote is:
It doesn't mention "LEFT" chest wall. So the use of the word "interior" could easily just be a mis-reading or mis-hearing of the word "anterior" - which makes much more sense.
In all the years I've been looking inside chests that have sustained varying degrees of trauma, I can't recall any where there has been contusion on the inside WITHOUT either rib fractures or external bruising or both. It's usually the cracked rib that tears the intercostal vessels leading to the bleeding -> contusion.
Whereas ANTERIOR chest wall - i.e. the FRONT - makes much more sense if someone had hit, punched, kicked, kneed, etc Allison there. You'd find "bruising on the anterior chest wall". That would be a much more likely thing to say clinically.
But - like Makara - I've been known to be wrong occasionally :floorlaugh:
The committal hearing should clarify it.

lease: