I had lower back surgery Oct 17th. Had 2 herianted disks 8 weeks after I have developed Seroma and stiffness right where the bump is in the middle of my back.. I didn't have that before just slight stiffness near l4 or and s1.. The pain has moved up now. Lower is ok. Middle is not. Doctor blew me off and didn't know why. Can someone help me with this.. I am waiting on ins co to approve 3rd MRI.