Questions tagged [tumors]

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What can cause a visual disturbance followed by a headache?

Interesting story: onset of a blurred point in a field of vision which gradually enlarges such that it forms an arc in the right side of the field of vision and then after a while that blurred arc ...
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What is Immunotherapy for cancers?

I have heard a lot about immunotherapy in the last 2 years. It is not used in many countries and is still under testing. What is immunotherapy? (I need a simple explanation, I am not a doctor) How ...