Refer to the instructions in the 2018 STORE manual, page 188, at
0 None; no other metastases
1 Yes; distant metastases in known site(s) other than bone, brain, liver, lung or distant lymph nodes.
2 Generalized metastases such as carcinomatosis
8 Not applicable
9 Unknown whether any other metastatic site. Not documented in patient record.
This variable was added as a FORDs item in 2016 and revised in the 2018 STORE manual.