CLL and SLL: What’s the Difference? What is the difference between being diagnosed with SLL versus CLL? Patient Power host, Andrew Schorr, asks Dr. Nicole Lamanna, a CLL specialist at Columbia University Medical Center, this very question. Learn more as Dr. Lamanna briefly describes the origin of these two diagnoses, giving patients insight into how doctors identify these B-cell disorders. Get email alerts | Subscribe on YouTube | Like on Facebook | Follow on Twitter | Follow on Google+ |