Departments and specialties

Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery.

Research

Cancer research is conducted in coordination with Mayo Clinic Comprehensive Cancer Center. Mayo Clinic Comprehensive Cancer Center receives funding from the National Cancer Institute and is designated as a Comprehensive Cancer Center. This designation recognizes the institution's scientific excellence and multidisciplinary resources focused on cancer prevention, diagnosis and treatment.

Publications

See a list of publications about carcinoma of unknown primary by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine.

Dec. 04, 2024

Living with carcinoma of unknown primary?

Connect with others like you for support and answers to your questions in the Cancer support group on Mayo Clinic Connect, a patient community.

Cancer Discussions

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What brought you joy today?

355 Replies Tue, Nov 11, 2025

Colleen Young, Connect Director
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118 Replies Mon, Nov 10, 2025

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Cancer Recurrence: Everything removed, but can it come back?

24 Replies Mon, Nov 10, 2025

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