To treat a pituitary tumor with radiation, doctors may use a variety of techniques depending on the size and location of the tumor. Conventional radiation covers a wide area in and around the tumor and is usually given daily for several weeks.
In the show, Stannis Baratheon dies under the sword of Jamie Lannister, wielded by a woman to fulfill a promise to Catelyn Stark, to avenge the death of Renly Baratheon. You can state he died of internal complications.
Cyrus King is a character that appears in Season 1 of Dark Matter. He is portrayed by TBA. Cyrus King is a rival against the crew of the Raza. The crew had killed everyone in his unit by burning them alive, and he wants revenge. In Episode Seven, Cyrus hacked an entertainment android named Wendy. He programmed her to attack the Raza crew and try to kill them all by making the Raza collide into a nearby sun. The plan however was foiled.