It wouldn't hurt to seek out the very best physical therapists, body workers or possibly a multi skilled chiropractor.
Maybe a combination of any or all.
It does take time either way, surgery takes time to recover from fully.

[history of DVT with 3 occurrences of PE (first in 2001, third in 2005) and she is taking Coumadin (Warfarin Sodium)]

For the above, was there actual blockages (plaque etc) inside of the arteries/veins, or are they thinking it was due to an structural/physical compression (rib or scalene etc)?