C79: Secondary malignant neoplasm of other and unspecified sites
C79.9: Secondary malignant neoplasm of unspecified site

inclusionTerm
Metastatic cancer NOS
Metastatic disease NOS

excludes1
carcinomatosis NOS (C80.0)
generalized cancer NOS (C80.0)
malignant (primary) neoplasm of unspecified site (C80.1)

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