It must be a really hard experience for you after knowing that your mother is diagnosed with cancer. It is best to go as per your doctor's consultation after getting results. As you said that your doctor said that there is no sign of cancer so you must think positively as they have more experience in this field than us. If the CT scan is not showing any sign of cancer and you're still worried then you must go for PET scan. PET scan can show up cancer and it's the stage of cancer, as well as it can decide the best treatment for breast cancer. Sometimes PET scans used to look for cancer in the lymph nodes in the centre of the chest. I hope that your mother will be alright and she 'll surely survive. So Be Brave and Be Positive! Best Wishes!
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