| 
							 | 
| 
							 Mild 
						 | 
| 
							 Mild- 
						moderate  | 
| 
							 Moderate 
						 | 
| 
							 Moderate- 
						severe  | 
| 
							 Severe 
						 | 
| Broad-based disc bulge  | 
							Right NF narrowing  | 
							Right foraminal  | 
							Right subarticular  | 
							Right central  | 
							Central | Left central  | 
							Left subarticular  | 
							Left foraminal  | 
							Left NF narrowing  | 
							Spinal stenosis  | 
							Other findings  | 
						|
| L1-L2 | 
								 L1 - L2 
								
							 | 
						|||||||||||
| L2-L3 | 
								 L2 - L3 
								
							 | 
						|||||||||||
| L3-L4 | 
								 L3 - L4 
								
							 | 
						|||||||||||
| L4-L5 | 
								 L4 - L5 
								
							 | 
						|||||||||||
| L5-S1 | 
								 L5 - S1 
								
							 | 
						|||||||||||
| all levels  | 
							
								Spondylosis: | 
							location of disc protrusion | ||||||||||