Surgery scares me too. My chronic sinusitis did get so bad that I thought I might have to go 'under the knife'. I was just forwarded this link, about a new procedere called balloon sinuplasty. Looks promising and supposed to be less invasive than surgery.
Check it: http://www.dailymotion.com/relevance/search/balloons/video/x7t88b_raval-on-balloon-sinuplasty_tech
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be well