Hello. I'm hoping some of you may be able to help point me in the right direction ... 

The red blobs show where I have a constant dull ache in my left lower back and, if I've been active, mild to heavy pain that also goes down that buttock and leg. Is a consultant spine surgeon the right person to help figure out what's going on? 

**THE PHOTOS**

* I am 'standing straight' ... in my head anyway
* I set up the photos with a spirit-level to be be perfectly level. 
* I'm standing on a cloth because my floor is slightly uneven; lower on that side. 
* The black line on my tummy starts at the top centre of my man-part, drawn using a spirit level. 
* The vertical red line is covering a plumb-line I taped to the centre nook of my chest. 

**MY OBSERVATIONS**

* When standing ...
   * My whole torso veers off to my left slightly (is it a *slight* veer?). 
   * My whole pelvis appears to be rotated on the horizontal plane so that the left side of it is more 'in-front' of me, while the right side is sneaking around to my side.  
   * My left shoulder is slightly lower (I think this would be more apparent if the camera angle was higher)
* When sitting (taking my legs out of the equation) ... 
   * My torso appears to straighten up somewhat. 
   * My pelvis appears less twisted to the side.
   * My shoulders appear a little more level. 

My right glute-medius (butt-muscle on the top-outer part of the pelvis) is also noticeably larger than my left one.   
All of which makes me suspect I have a leg-length discrepancy.   
I think my left tibia (the side with the pain) may be slightly longer; not sure about the femurs.   
My pelvis doesn't appear too tilted laterally. I wonder if that's because the pelvis rotation is accounting for a leg length discrepancy rather than a lateral pelvic tilt.

Any insight or guidance would be appreciated. Apologies for the slightly gratuitous photos.      

Possible leg-length discrepancy? Is a Consultant Spine Surgeon the right person to see?