I have had 2 spinal bonemarrow biopsy a pelvis biopsy MRI scan pet scan bone scans and they still haven't diagnosed me I am getting fed up all the specialist nurses keep telling me is they have to get it right before they can start treatment. I was originally told I have a cracked s1 disk then they said I have a tumour on my spine, they told me the pet scan was clear then another nurse said it was not I am loosing faith please can someone tell me if this is correct t way to get diagnosed they think it is b cell non Hodgkin's lythoma but not sure.