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Treatment of Stage III Merkel Cell Carcinoma
Source: Merkel Cell Carcinoma Treatment (PDQ®)–Patient Version, National Cancer Institute.
Source updated: May 16, 2025 · Captured 2026-09-09.
Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary. Independent clinical review is pending.
Treatment of stage III Merkel cell carcinoma may include:
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wide local excision with or without lymph node dissection
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radiation therapy
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chemotherapy and immunotherapy with an immune checkpoint inhibitor (pembrolizumab), for tumors that cannot be removed by surgery
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Learn more about these treatments in the Treatment Option Overview.
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Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
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Preserved source evidence · Independent clinical review pending · Not medical advice