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About Michael Dean
Expertise
Can answer
General information on the causes of cancer and cancer prevention.
Information on current cancer research and breakthroughs.
The genetics of cancer
The risk of smoking for lung cancer and other cancers, as well as SIDS, heart disease, and vision loss.
Cannot answer
Specific medical questions
Experience
Cancer Researcher for over 20 years
Author of the book "Empty Cribs-The impact of smoking on child health" www.artsciencepub.com.
Author of over 200 scientific articles on cancer, genetics and human disease.
Multiple interviews in print, TV and radio media.
Organizations
American Association for Cancer Research
American Association of Human Genetics
Publications
Scientific journals (Science, Nature, NE Journal Medicine, etc.)
Scientific American, Discovery Medicine, Nature Reviews in Cancer
Education/Credentials
PhD. in Biochemistry from Boston University School of Medicine
Awards and Honors
Young Investigator award-American Association of Cancer Research
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You are here: Experts > Health/Fitness > Medical Specialists > Oncology (General Cancer) > lump in upper left arm
Expert: Michael Dean - 11/3/2009
Question
About a year and a half ago I found a lump in my arm, then forgot all about it until recently. It is still there. It does not hurt, but it has been there for a long time. Should I be worried?
Answer
Dear Jonna,
I am sorry for the delay, I have been traveling.
In the absence of symptoms, you should be fine, especially if it is not growing. A doctor should look at it it, and perhaps biopsy or image it if it has not gone away.
I hope that this helps,
Michael
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