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Text File  |  1997-01-28  |  474b  |  10 lines
  1. NX      Nodes cannot be measured
  2. N0       No involved lymph nodes
  3. N1       Single involved node,  same side,  less than 3cm(1 1/4in.)
  4. N2       Single involved node,  same side,
  5.            N2a    one node,  3-6cm(1 1/4-2 1/2in.)
  6.            N2b    multiple nodes,  none over 6cm(2 1/2in.)
  7. N3       Massive involved lymph nodes
  8.            N3a    a node over 6cm(2 1/2in.) on same side
  9.            N3b    nodes on both sides
  10.            N3c    nodes only on opposite side