Trailer of Oprah's The Immortal Life of Henrietta Lacks out

The trailer of the television film 'The Immortal Life of Henrietta Lacks', starring Oprah Winfrey and Renée Elise Goldsberry, has been released. The film is about Henrietta, diagnosed with cervical cancer in the 1950s, and how her cancer cells (later known as HeLa) would change the course of cancer treatment. The film will premiere on HBO on April 22.