NCIt definition : A general term that refers to a TNM finding of cancer metastases in several regional
lymph nodes. The definition of N2 TNM finding depends on the specific type of cancer
that it refers to; for example, for breast cancer it refers to metastases in 4-9 axillary
lymph nodes; for cutaneous melanoma it refers to metastases in 2-3 regional lymph
nodes; for colorectal cancer it refers to metastases in 4 or more regional lymph nodes;
and for bladder cancer it refers to metastases in multiple regional lymph nodes in
the true pelvis.;
Currated CISMeF NLP mapping