Cancer of Unknown Primary Origin: Find an Expert

Memorial Sloan Kettering brings a vast body of knowledge and expertise to the care of patients with cancer of unknown primary origin. Many recent advances in diagnosing and treating cancer of unknown primary origin — and improvements in survival and quality of life — can be attributed to our multidisciplinary team of doctors.

Your patient care team typically consists of a medical oncologist who specializes in CUP tumors, as well as surgeons, radiation oncologists, and other doctors with the necessary expertise to treat the type of cancer you have. In some cases, for example, your team may also include gastroenterologists, endocrinologists, or pulmonologists. Nurses, social workers, and other healthcare professionals are also available to help you through your treatment.

The following is a list of our experts in cancer of unknown primary origin.

Cancer of Unknown Primary Origin

Pictured: Ephraim Casper
Ephraim S. Casper
Medical Director for the Memorial Sloan Kettering Regional Care Network
Lewis J. Kampel, MD
Lewis J. Kampel
David Paul Kelsen, MD -- Edward S. Gordon Chair in Medical Oncology
David Paul Kelsen
Edward S. Gordon Chair in Medical Oncology
David S. Klimstra, MD -- Chair, Department of Pathology
David S. Klimstra
Chair, Department of Pathology; James Ewing Alumni Chair of Pathology
Pictured: Eileen O'Reilly
Eileen M. O'Reilly
Associate Director for Clinical Research, David M. Rubenstein Center for Pancreatic Cancer Research
Leonard Saltz, MD -- Chief,, Gastrointestinal Oncology Service; Head, Colorectal Oncology Section
Leonard Saltz
Chief, Gastrointestinal Oncology Service; Head, Colorectal Oncology Section
Pictured: Anna Varghese
Anna M. Varghese
Stephen R. Veach, MD
Stephen R. Veach
Laura H. Tang, MD, PhD
Laura H. Tang
David H. Ilson, MD, PhD
David H. Ilson

Social Work

Please ask your primary treating physician to direct you to the assigned social worker.


Nurses play an important role in caring for patients at Memorial Sloan Kettering and are often the members of the treatment team with whom you will have the most contact. Your nurses bring extraordinary knowledge, experience, and expertise to your care because they specialize in helping people with your particular type of cancer. Your nurses will help you through your experience at Memorial Sloan Kettering whether you are being treated in the hospital or as an outpatient.

Nurses at Memorial Sloan Kettering collaborate with doctors and other members of your patient care team to develop a treatment plan that is right for you. The nurses on your team provide a range of services — administering therapies, monitoring your treatment and watching out for side effects, educating you and your family about what to expect during treatment, and offering emotional support. Nurses also help coordinate your appointments, communicate important information to various members of your patient care team, and keep track of other details related to your treatment. Nurses at Memorial Sloan Kettering maintain a patient-centered focus, placing your needs and preferences first.