How to Check Lymph Nodes: 12 Steps (with Pictures) - wikiHow
https://www.wikihow.com/Check-Lymph-Nodes
In some rare cases, swollen lymph nodes can be a symptom of cancer in the lymph nodes themselves or in other parts of the body. Preliminary tests used to identify cancer can include a blood panel, an X-ray, a mammogram, an ultrasound, or a CT scan.
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