FDA approves Caris Life Sciences' MI Cancer Seek as companion diagnostic for multiple cancer drugs across six cancer types, including solid tumors, breast cancer, colorectal cancer, melanoma, non-small cell lung cancer, and endometrial carcinoma. The assay uses whole exome and transcriptome sequencing to identify patients likely to benefit from specific therapies, such as Keytruda, Erbitux, Piqray, and Lenvima.