IMWG Stringent Complete Response

**Semantic type:** Intellectual Product

**Definition:** Complete response, plus normal free light chain ratio and absence of clonal cells in bone marrow biopsy by immune-histochemistry (kappa/lambda ratio less than or equal to 4:1 or greater than or equal to 1:2 for kappa and lambda patients, respectively, after counting at least 100 plasma cells).

**Synonyms:** - Stringent Complete Response