Hello everybody :)
My name is Mary Helen.
I am actually torn between two topic ideas and I was wondering if you all could give me some feedback/opinions...
topic 1: Why do certain mutational events promote cancer phenotype in some tissues but not others? When a cancer metastisizes, why doesn't it spread directly out from the source?
As an example, lung cancer metasitisizes to the brain but not the breasts in some cases, but why? The breast tissue is physically closer to the lung tissue, so why does the cancer present itself in the brain first?
topic 2: Why do second idependent cancer occur at higher rates in patients who have survived a primary cancer than in a population of those without previous cancer history? What is the rate of recurrance in those who have previously survived? Is it the same cancer returning? Different cancer?
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