Primary Tumor Unknown, or PTO. It is a mysterious disease in which the patient has cancer, because there are metastases, but no original tumor can be found. It is a form of cancer that kills 1500 people in the Netherlands every year. The disease is very difficult to treat. Monday started a campaign to raise awareness of PTO. In NOS With a view to Tomorrow an interview with internist-oncologist Yes van de Wouw at the VieCuri Medical Center and Warnyta Minnaard, co-founder of the Missie Tumor Unknown foundation.
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