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Outcome data comparing the standard method of tumor evaluation (depth of invasion) versus the newly proposed pattern-based system.
| Patients | Patients with metastatic LN | # metastatic LNs | Stage I | Stage II–IV | |
|---|---|---|---|---|---|
| Standard | 352 | 49 (14%) | 83 (1%) | 320 (91%) | 32 (9%) |
| Pattern A | 73 (20.7%) | 0 | 0 | 73 (100%) | 0 |
| Pattern B | 90 (25.6%) | 4 (4.4%) | 5 (0.2%) | 90 (100%) | 0 |
| Pattern C | 189 (53.7%) | 45 (24%) | 76 (1.7%) | 157 (83%) | 32 (17%) |
LNs: lymph nodes
