| Lymph node level Ib (qualifier value) | | Lymph node level Ib | | Level Ib contains the submandibular nodes located in the space between the inner side of the mandible laterally and the digastric muscle medially, from the symphysis menti anteriorly to the submandibular gland posteriorly. |
| | Id | 1162617002 | | Status | Primitive |
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