10 Key Factors That Elevate Your Risk of Merkel Cell Carcinoma
7. Chronic Lymphocytic Leukemia (CLL) & Certain Lymphomas: A Dual Challenge

Patients battling Chronic Lymphocytic Leukemia (CLL) or certain other B-cell lymphomas carry a notably increased risk of developing MCC. This isn't solely due to treatments that might suppress immunity; the underlying disease itself involves a dysfunctional immune system that's less capable of controlling latent viruses like the Merkel Cell Polyomavirus or eliminating early cancer cells. For these individuals, MCC can present a challenging secondary malignancy, highlighting the complex interplay between different cancers and the body's compromised defense mechanisms.