VIDEO : Abby Lee Miller May Never Walk Again, Says Source

?Dance Moms? star Abby Lee Miller is facing complications amid her battle with cancer, according to Extra.
Since being diagnosed with non-Hodgkin?s lymphoma, Miller has been undergoing chemotherapy and rehabilitation. The diagnosis came after she underwent surgery on her spinal cord.
A source tells People, ?Abby has been trying to stay positive throughout this journey, but it?s been tough. She?s getting a little stronger every day, but we don?t know if she?ll ever walk again.?