She is 66 years old and in the last weeks of her life. Marijke Kling from Zwolle fell ill just before she decided to take early retirement: lung cancer with metastases to the brain. She was one of the first patients to undergo treatment with the Gamma Knife at Isala Hospital in Zwolle. This unique, high-precision radiation device not only extended her life, it also ensured that she maintained a quality of life. So that she can still sail to this day.