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Some chemotherapy| drugs and radiotherapy| to the chest can affect how well your lungs work, so you’ll have this test before and during your treatment. Your doctors will tell you if you'll be having chemo drugs that might affect your lungs.
Different tests are done to check different things. You might only have to do one or two of them, or your doctors might want you to do all of them. It depends on your type of cancer, which treatment you’re having and how well you are.
This is what the lung function test will involve:
All this can take about 30 minutes. You may find the nose clip and mouthpiece uncomfortable. You might feel out of breath or a bit dizzy because of all the breathing in and out exercises, but you’ll be given time to rest in between. There’ll be someone with you all the time, so if you start to feel ill, just let them know.
Content last reviewed: 1 November 2011
Next planned review: 2013
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