University of Chicago spinout OrisDx said Tuesday that it has raised $4 million in seed funding and it will use the money to support the launch of its saliva-based molecular test for oral cancers.

Quest Diagnostics (NYSE: DGX), a leading provider of diagnostic information services, today announced a collaboration with The University of Texas MD Anderson Cancer Center (MD Anderson) designed to improve the assessment of elevated risk of cancer in individuals who would benefit from medically appropriate cancer screenings.

Guardant Health, Inc. (Nasdaq: GH), a leading precision oncology company, today announced that its Shield multi-cancer detection (MCD) test has been granted Breakthrough Device designation from the U.S. Food and Drug Administration (FDA). The Shield MCD test is a methylation-based blood test for the multi-cancer screening of multiple cancer types including bladder, colorectal, esophageal, gastric, liver, lung, ovarian and pancreas cancer in individuals aged 45 or older who are at typical average risk for cancer.

Teal Health®, a women’s health company on a mission to eliminate cervical cancer, today announced the Food and Drug Administration’s (FDA) approval of the Teal Wand™, the first and only at-home vaginal sample self-collection device for cervical cancer screening in the United States.

Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced it has signed a definitive agreement to acquire Capsulomics, Inc., d/b/a Previse. Previse is a gastrointestinal health company with a primary focus on chronic acid reflux related diseases, including esophageal cancer. The terms of the agreement are undisclosed.

GRAIL, Inc. (Nasdaq: GRAL), a healthcare company whose mission is to detect cancer early when it can be cured, and Quest Diagnostics (NYSE: DGX), a leading provider of diagnostic information services, today announced the initial phase of a program to improve provider access to GRAIL’s Galleri® multi-cancer early detection (MCED) test. Providers can now order the Galleri test directly from GRAIL through the Quest Diagnostics connectivity system. The Quest Diagnostics connectivity system enables providers in the United States to order and receive reports of laboratory tests electronically through Quest’s Quanum laboratory portal and more than 900 electronic health record (EHR) systems. More than 500,000 providers used the Quest connectivity system last year.

Diatech Pharmacogenetics announced an expansion of its collaboration with Merck Serono Middle East Ltd., affiliates of Merck KGaA (“Merck”). The collaboration aims to improve patient access to RAS biomarker testing in the Middle East and Africa (MEA) regions.

Guardant Health, Inc. (Nasdaq: GH), a leading precision oncology company, and ConcertAI, a leading oncology real-world evidence data and AI SaaS technology company, today announced a collaboration agreement that allows biopharmaceutical companies to access the first multi-modal real-world data (RWD) that integrates comprehensive patient electronic medical record (EMR) data with both genomic and epigenomic tumor profiling information across the continuum of cancer care.

Roche (ROG.S), opens new tab on Wednesday said it planned to complete its purchase of U.S. biopharmaceutical company Poseida Therapeutics (PSTX.O), opens new tab, a specialist in complex immune cell therapies to treat several types of blood cancer.

Gastric cancer is a common gastrointestinal carcinoid tumor, with the sixth highest incidence and second highest mortality rate among tumors.