This type of Cancer is not talked about as much as other types.  But it has gained more notice due to the recent diagnoses of "Jeopardy!" host Alex Trebek and Congressman John Lewis.  Abbott Northwestern Hospital oncologist Dr. Joseph Leach describes the symptoms, signs, and effects of this disease.

<p>This type of Cancer is not talked about as much as other types.&nbsp; But it has gained more notice due to the recent diagnoses of "Jeopardy!" host Alex Trebek and Congressman John Lewis.&nbsp; Abbott Northwestern Hospital oncologist Dr. Joseph Leach describes the symptoms, signs, and effects of this disease.</p>

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