N1: Cancer cells are found in 1 to 3 regional lymph nodes.

N2: Cancer cells are found in 4 or more regional lymph nodes.

N2b: Cancer cells are found in 7 or more regional lymph nodes.

N1b: Cancer cells are found in 2-3 regional lymph nodes.

N2a: Cancer cells are found in 4-6 regional lymph nodes.

Stages 1-3 are within the breast or regional lymph nodes.

Dawson Creek is a regional node for air, rail, and bus services.

Metastases to regional lymph nodes are found in about 50% of cases.

They can also help identify spread of the cancer into regional lymph nodes or certain other organs.

She was a young woman with a history of melanoma that had spread to regional lymph nodes.