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.

Doctors who treat this condition

Edit search filters
close

Narrow your search

  1. There are no doctors whose last name begins with the letter A
  2. Find a doctor whose last name begins with the letter B
  3. There are no doctors whose last name begins with the letter C
  4. There are no doctors whose last name begins with the letter D
  5. There are no doctors whose last name begins with the letter E
  6. There are no doctors whose last name begins with the letter F
  7. There are no doctors whose last name begins with the letter G
  8. Find a doctor whose last name begins with the letter H
  9. There are no doctors whose last name begins with the letter I
  10. There are no doctors whose last name begins with the letter J
  11. Find a doctor whose last name begins with the letter K
  12. There are no doctors whose last name begins with the letter L
  13. There are no doctors whose last name begins with the letter M
  14. There are no doctors whose last name begins with the letter N
  15. There are no doctors whose last name begins with the letter O
  16. There are no doctors whose last name begins with the letter P
  17. There are no doctors whose last name begins with the letter Q
  18. Find a doctor whose last name begins with the letter R
  19. There are no doctors whose last name begins with the letter S
  20. Find a doctor whose last name begins with the letter T
  21. There are no doctors whose last name begins with the letter U
  22. There are no doctors whose last name begins with the letter V
  23. There are no doctors whose last name begins with the letter W
  24. There are no doctors whose last name begins with the letter X
  25. There are no doctors whose last name begins with the letter Y
  26. There are no doctors whose last name begins with the letter Z
Reset all filters

Displaying 1-5 out of 5 doctors available

  1. Tanios S. Bekaii-Saab, M.D.

    Tanios S. Bekaii-Saab, M.D.

    1. Oncologist
    1. Phoenix, AZ
    Areas of focus:

    Chemotherapy for colon cancer, Cholangiocarcinoma, Colon cancer, Pancreatic cancer, Liver cancer, Esophageal cancer, An...al cancer, Stomach cancer, Rectal cancer, Gallbladder cancer, Carcinoma of unknown primary, Neuroendocrine tumor, Gastrointestinal stromal tumor, Small bowel cancer

  2. Thor R. Halfdanarson, M.D.

    Thor R. Halfdanarson, M.D.

    1. Oncologist
    2. Hematologist
    1. Rochester, MN
    Areas of focus:

    Chemotherapy for colon cancer, Pancreatic neuroendocrine tumor, Carcinoma of unknown primary, Neuroendocrine tumor, Gas...trointestinal stromal tumor

  3. Mohammed Karim, M.D.

    Mohammed Karim, M.D.

    1. Orthopedic Surgeon
    2. Oncologist
    Areas of focus:

    Cancer treatment, Hemipelvectomy, Bone metastasis surgery, Spinal fusion, Sacrectomy, Amputation, Bone biopsy, Spine tu...mor surgery, Spine reconstruction, Spine decompression, Pelvic tumor surgery, Vertebral column resection, Tumor resection, Surgical stabilization of metastatic bone cancer, Tumor biopsy, Surgical biopsy, Spondylolisthesis surgery, Spinal stabilization surgery, Spine procedure, Prophylactic surgery, Limb salvage surgery, Fracture treatment, Cancer, Spinal stenosis, Sarcoma, Bone cancer, Chondrosarcoma, Osteosarcoma, Spondyloarthritis, Spondylolisthesis, Spinal cord injury, Carcinoma of unknown primary, Bone metastasis, Soft tissue sarcoma, Spinal tumor, Pelvic bone tumor, Chordoma, Stage 4 colorectal cancer, Pathologic fracture, Spondylotic myelopathy, Spondylolysis, Spinal metastasis, Spinal fracture, Stage 4 melanoma, Soft tissue tumor, Spinal abscess, Pelvic sarcoma, Tumors and masses, Spondylosis, Stage 4 breast cancer

  4. Anne W. Rajkumar, M.D.

    Anne W. Rajkumar, M.D.

    1. Radiation Oncologist
    1. Rochester, MN
    Areas of focus:

    Radiation therapy, Stereotactic radiosurgery, Stereotactic body radiotherapy, VMAT, Radiation therapy for prostate canc...er, Intensity-modulated radiation therapy, 3D conformal radiotherapy, Palliative radiotherapy, External beam radiation therapy, Cancer, Kidney cancer, Prostate cancer, Bladder cancer, Testicular cancer, Renal cell carcinoma, Cancer-related pain, Carcinoma of unknown primary, Bone metastasis, Penile cancer, Urethral cancer

  5. Stephan D. Thome, M.D.

    Stephan D. Thome, M.D.

    1. Oncologist
    2. Hematologist
    1. Rochester, MN
    Areas of focus:

    Cancer survivorship program, Cancer, Carcinoma of unknown primary

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

johnsoncs1
Anyone diagnosed with Phyllodes tumor?

74 Replies Wed, Dec 17, 2025

allisonsnow
Anyone out there with Thymoma/Thymic Carcinoma?

147 Replies Wed, Dec 17, 2025

northoftheborder
What brought you joy today?

402 Replies Mon, Dec 08, 2025

See more discussions

Related

Products & Services