Hanson and his staff deal with a pregnant woman whose brain tumor treatment threatens the life of her unborn child.

Hanson is blunt when he tells Kate Larson that, though radiation is the best treatment for her brain tumor, her unborn child probably won't survive it. Kate is determined to keep the baby and, while she refuses the radiation, she agrees to a complicated brain surgery that could buy her time. When that surgery causes unexpected side effects, Adrienne decides to try an experimental treatment without Hanson's approval. Meanwhile, Jonathan becomes involved with the attorney of a man he's treating who is accused of a violent crime.

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