NCIt definition : A general term that refers to a TNM finding of cancer metastases in multiple lymph
nodes. The definition of N3 TNM finding depends on the specific type of cancer that
it refers to; for example, for breast cancer it refers to metastases in 10 or more
axillary lymph nodes; for cutaneous melanoma it refers to metastases in 4 or more
regional lymph nodes; for gastric cancer it refers to metastases in 7 or more regional
lymph nodes; and for bladder cancer it refers to metastases in common iliac lymph
nodes.;