chloecasey and positive mover, can you tell me more about your scar tissue situation--where is it and what is it said to be doing to cause your breathing problems and who & how did it get diagnosed as that?

I have breathing difficulties since my shoulder injury/surgery, known to have a lot of scar tissue, but no one here can explain the breathing problems at all, went for full pulmonary testing, and all I got was "there is nothing wrong with your lungs" (okay, so then why do they just choose not to work sometimes? no answer. "not my field of expertise" then who do I go see? "i don't know, must be muscular")

If nothing else, I would at least like it explained so I know what and why, and they'll quit telling me to "go take a walk". Taking a walk isn't the problem. Laying down is. Bending forward is. Walking and talking is. Sometimes just talking is. Humidity is. Standing and talking is. Trying to find a position between sitting upright and laying down so I can sleep, is. Sitting in the recliner at various "wrong" angles, is. Am well used to just having to consciously breathe at times, but I would at least like to know why.