Dennis Hopper went out yesterday for the first time since being diagnosed with prostate cancer -- and revealed he's undergoing "an experimental thing at USC" for treatment.
The 73-year-old "Easy Rider" star added that it's "no big deal" and said he "feels great."
Dennis Hopper -- Cancer Treatment 'No Big Deal'
11/4/2009 12:30 PM PST BY TMZ STAFF
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