Oncology (General Cancer)/lump in buttock

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Question
I have a lump in my right buttock near where it joins the back of my thigh. It seems to grow overnight, then during the day subside somewhat. I have applied pressure to it and it seems to flatten out and reduce size. It is painful. I don't know if it is a lymph node or cyst or abscess. Not quite sure. From what I have read, this does not sound cancerous, but I am just a layman. I have tried to massage it out, however that results in more pain.

Answer
If it is painful and subsides during the day, I would suspect you have a cyst.  They are easily treated but can recur.  You are right that this doesn't sound cancerous;  it sounds like it is in the soft tissues where cancers rarely originate.  the usual treatment is to evacuate the cyst with a needle; that allows the physician to get an idea of what is in it.  If it recurs, minor surgery might be needed.  Hope this helps.  

Oncology (General Cancer)

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Donald Higby, M.D.

Expertise

I can answer almost all questions related to the treatment and natural course of most kinds of cancer, especially cancers of prostate, colon, lung and breast.

Experience

I have been a practicing medical oncologist for 36 years, and have been chief of service at a major medical center for 25 years. I've also done research in cancer treatments.

Organizations
American Society of Clinical Oncology

Publications
New England Journal of Medicine American Journal of Medicine Journal of the American Society of Clinical Oncology Hematology Transfusion Medicine

Education/Credentials
MD, Stanford University Internal Medicine residency, St. Louis University School of Medicine, St. Louis, MO Medical Oncology Fellowship, Roswell Park Cancer Institute, Buffalo, NY

Awards and Honors
America's Best Physicians, last 14 years

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