Hank Green, YouTube star and John Green’s brother,

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Green told his supporters he had cancer in a 13-minute video titled 

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So, I've Got Cancer," talking candidly about the diagnosis

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the time it took him to comprehend it.

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The 43-year-old author of "An Absolutely Remarkable Thing

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informed his followers that after noticing swollen lymph nodes

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 he saw a doctor who suggested getting an ultrasound.

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 Green's doctor, who was "suspicious for lymphoma," ordered a biopsy.

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that's actually rather unsettling when it begins to get a little bit efficient.

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