Shari Redstone, the media mogul who has been trying to sell Paramount in a politically fraught transaction, is undergoing treatment for cancer.

Shari Redstone, chair of Paramount Global, has been diagnosed with thyroid cancer, a spokesperson for Redstone confirmed Thursday. "Shari Redstone was diagnosed with thyroid cancer earlier this spring,

Shari Redstone, chair of CBS parent Paramount Global, was diagnosed with thyroid cancer earlier this spring and is undergoing treatment.