Can you help here?
My mum had a chest CT scan which showed a 4mm lung nodule. She had a second CT of the same area which showed the nodule had grown to query 6mm. She has been told to have a PET scan. I am worried that the PET scan will show up metastases even though her oxygen saturation level is 98% and the doctor has said her chest and lungs are in pretty good shape and the PET scan is more likely to show little cancers rather than mets
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