What fictional disease does Nora Fries suffer from in the 1997 movie "Batman & Robin"?

Batman & Robin is a 1997 American superhero film based on the DC Comics characters Batman and Robin. It is the fourth and final installment of Warner Bros.' initial Batman film series. The film was directed by Joel Schumacher and written by Akiva Goldsman. It stars Arnold Schwarzenegger, George Clooney, Chris O'Donnell, Alicia Silverstone, and Uma Thurman. Batman & Robin tells the story of Batman and Robin as they attempt to prevent Mr. Freeze and Poison Ivy from freezing all mankind to death and repopulating the earth with mutant plants, while at the same time struggling to keep their partnership together.

Batman, Robin and Batgirl decide to go after Freeze together. By the time they get to the lab where Freeze and Bane are, Gotham is completely frozen. Robin confronts Bane and defeats him, while Batman and Freeze begin to fight each other, with Batman defeating Freeze. Batgirl and Robin manage to unfreeze Gotham; and Batman shows Freeze a recording of Ivy during her fight with Batgirl. Freeze learns that Ivy has betrayed him over the death of his wife. Freeze is angered by the betrayal and is informed by Batman that his wife is not dead; she is restored in cryogenic slumber and has been moved to Arkham waiting for him to finish his research. Batman proceeds to ask Freeze for the cure Freeze has created for the first stage of MacGregor's Syndrome, the disease that Freeze's wife, Nora Fries, is suffering from, for a friend (Alfred) who is dying.