An indicator of the presence or absence of metastases in a marker lymph node that is of therapeutic and prognostic importance relating to a CANCER CARE SPELL.
For breast cancer, the marker lymph node will be the sentinal node.
For colorectal cancer, the marker lymph node will be the apical node.
|N||Marker lymph node 1 negative|
|Y||Marker lymph node 1 positive present|
National Cancer Data Set Version 1.3_ISB October 2002
This attribute is also known by these names: