The "legion" is actually called a lesion and is an inflammation of the brain tissue due to cerebral injury or illness. It may be secondary to the cyst. Have you had a fairly recent injury or trauma to your head? Be sure your doctor(s) are aware of any situation affecting you your head and neck. Anything that may seem trivial to you may actually be a key to your treatment. And ask questions; don't be afraid to look foolish to your doctor(s) or let the brush aside your concerns or allow them to intimidate you into silence. In matters of health, there really such thing as a 'stupid' question. If you are not satisfied with an answer, keep pushing until you feel fully informed. Don't let the white coats and the 'MD' after the name make you shy to push. I recently had some tests done including a simultaneous endoscopy/colonoscopy. The doctor who did the procedure was very vague when he went over the results. I wasn't satisfied with his explanation since he seemed to give the impression the tests were either inconclusive or not worrisome. I asked another doctor in the practice to please give me a better explanation. That was when I found out the endoscopy had discovered a polyp highly prone to develop into cancer and of a type very rarely found in the duodenum. Fortunately, the polyp proved to be benign. It is incidents like this that make it necessary or any patient to demand answers if none are forthcoming. Make those MDs earn their titles and perks. Your life is far too important to be brushed aside...
I wish you the best in what may come and hope the outcome will be good...
<O>
EDIT:
Oh, and Google can be your best friend in deciphering the medical gobbledygook....
<O>
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