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Biomarker testing and cancer treatments

A major advancement in cancer treatment is offering promising new options for some patients. Biomarker testing looks for specific genes or markers to better customize treatment plans. CBS News' Natalie Brand takes a closer look.

Jul 24, 2023 (02:01)

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Controversy over Zacharia's legal credentials

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Video shows man allegedly poisoning coworker

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Trump takes questions ahead of Alaska trip

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Guilfoyle resigning as ambassador to Greece

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Kimberly Guilfoyle is preparing to resign

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Russia continues striking Ukraine's grid

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Iowa farmers union endorses 18 Democrats

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Where to get the latest CBS Mornings Deals

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Mark Harmon, Austin Stowell on "NCIS" careers

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Black market weight-loss drug sparks concern

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Guilfoyle asked to resign, Zacharia says

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Trump rallies raucous Ohio voters

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Between Us: Mark Harmon and Austin Stowell

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