Shari Redstone continues professional activities despite thyroid cancer treatment, as she works toward resolving the Trump lawsuit against CBS and finalizing Paramount's merger with Skydance Media.

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.