Mycosis Fungoides and Sezary Syndrome B1 TNM Finding v7

**Semantic type:** Finding

**Definition:** Low blood tumor burden: more than 5% of peripheral blood lymphocytes are atypical (Sezary) cells but does not meet the criteria of B2. (from AJCC 7th Ed.)

**Synonyms:** - Mycosis Fungoides and Sézary Syndrome B1 TNM Finding v7