<s>[INST] a friend fell from her icy steps hit the middle of her back she said it was rt on her spine after that she vomited cause it hurt so bad thinking she may have suffered a concusion but not hitting her head...    so a few days later she has a lump where she fell on her spine..... whats  going on with her [/INST] Hi. Obviously this lump may be due to hematoma, that is collection of blood or edema fluid under the skin causing the lump.I hope she has no neurological deficit in the legs. </s>