What Does This MRI Scan Finding Indicate?

I am suffering from sever back pain, which causes my legs to go out from under me at times, with the smallest turn , it is a sharp uncontrollable pain.I feel tingeing, numbness in my buttocks all the way down my left leg, it also is causing pain and pressure in my groaning. I injured my back and neck 15 years ago while arresting someone for grand theft. i just had an MRI done this is what is says, could you please explain, as this reports is written differently than others I have had, it refers to Moderate to Large disc bulge, But it does not say how many mm? Thank you for your help. L1-2, L2-3, Mild facet degeneration L3-4; Moderate to Large diffuse disc bulge, Narrowing of the lateral recesses, Mild spinal stenosis, Moderate to severe facet degeneration, Mild neural foramina narrowing, l-4-5; Moderate to Large diffuse disc bulge, Narrowing of the lateral recesses, Mild spinal stenosis, Mild neural formina narrowing, L5-S1; Mild diffuse disc bulge with small annular fissure, Impression; Disc bulges are most prominent at L3-4 and L4-5,. The disc may have some localized mass effect on exiting nerve roots in the lateral recesses. There are no levels of significant spinal canal stenosis or neural foraminal narrowing.