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For an "Executive Decision" segment, Cramer welcomed back Kevin Conroy, chairman and CEO of Exact Sciences Corp. (EXAS) - Get Report , the biotech that saw its shares plunge 13.2% today after reporting what Cramer said he thought were excellent results, especially ahead of the company's presentation later this week at the annual JPMorgan Chase (JPM) - Get Report Healthcare Conference.

Conroy said this time last year, they estimated $160 million in revenue for Cologuard, Exact Sciences' screening test for colon cancer. The team delivered $266 million in revenue and they're now approaching their one millionth patient screened with the technology.

When it comes to treating cancer, early detection is crucial, Conroy said, which is why the easier, non-invasive Cologuard test is rapidly gaining adoption. There are 85 million patients in America that should be screened, he said, and Cologuard only has 2% penetration so far.

Exact Sciences is not stopping with Cologuard, however. Conroy said that their technology is being applied to lung and liver cancers and the someday hope to be able to screen for all of the top 10 cancers. Education is key, he added, and their commercials are working to help spread the word.

Cramer called today's weakness in Exact Sciences a buying opportunity.

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