Summary Stage Allowable Codes

ss2000 stor_ss2000 Comments
NONE (internal use only, no storage code needed)
IS 0 In situ
L 1 Localized
RE 2 Regional, direct extension
RN 3 Regional, lymph nodes only
RE+RN 4 Regional, extension and nodes
RNOS 5 Regional, NOS
D 7 Distant
NA 8 Not applicable
U 9 Unknown/Unstaged
<Any value> Error