A human silhouette standing beside a magnifying glass showing cancerous cells
Before treatment

With untreated CLL, cancerous B cells are present in the body.13

A human silhouette standing beside a magnifying glass showing less cancerous cells
With treatment: detectable MRD

For some people who receive CLL treatment, cancerous B cells may be lessened but still detectable in the body.13

A human silhouette standing beside a magnifying glass showing no cancerous cells
With treatment: undetectable MRD (uMRD)

For some people who receive CLL treatment, cancerous B cells may no longer be detectable although they may still be present in the body at very low levels.13