Can someone help with my MRI results

wave23

I went to an orthopedic doctor who ordered a cervical MRI and I cannot fully understand the results. They are as follows:

C3-C4: Central disc protrusion is present at this level that extends to the cord. There is no lateral nerve root compression.

C4-C5: Small central disc protrusion is present at this level with enroachment to the ventral subarachnoid space. No lateral nerve root compression.

C5-C6: Decrease in signal intensity at this disc space compatible with degenerative change with minimal disc bulge.

C6-C7: Central disc protrusion with enroachment to the ventral subarachnoid space without lateral nerve root compression.

Impression: Reversal to lordosis with disc protrusion at C3-C4, C4-5, C6-C7 levels.

I understand what disc protrusions are and that no nerve root compression is a good thing, but what I don't understand is what does the C3-C4 protrusion mean when "it extends to the cord."

Also, what is a protrusion "with enroachment to the ventral subarachnoid space" mean.

My doctor ordered this MRI 9 months ago and told me that the MRI showed the backwards curvature of the spine but otherwise "unremarkable." It was not until I requested a copy of my MRI with the report that I found out about all this. I certainly wouldn't call this unremarkable as I believe I understand that disc bulges, or protrusions, should be very careful because the next step is herniation. I have done PT for 3 months after this MRI which helped a little but I still have chronic neck pain and I think my chronic dizziness/off balance feeling is related to my neck problem because when my neck is bad, my off balance feeling gets worse. If someone could help me out a little to explain those results, I would be very thankful!

By the way, I am only 26 years old and already have two herniated discs in my lumbar (L4-L5, L5-S1) which are being treated by a different MD.