They are different and depending on what kind you have treatments differ as well. They can’t all be treated with chemo. For example my dad has stage 4 kidney cancer. When he was diagnosed he had the main tumor on his kidney which was the size of a softball and then 48 tumors in his lungs. Kidney cancer responds poorly to chemo. Instead he was treated with immunotherapy and then removal of the kidney. Over a year since the surgery and still no sign of the cancer returning to his body.
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