Alexander Olawaiye, University of Pittsburgh
There are many types of cancer treatment, including surgery, chemotherapy, radiotherapy, immunotherapy and hormonal therapy, among others. Sometimes doctors combine multiple types of treatment. Which is the best treatment approach depends on which organ the tumor originated from and how much the tumor has spread at the time of diagnosis.
Broadly speaking, there are two types of cancers: solid tumors – or visible tumors that can be seen by the naked eye or through imaging – and liquid tumors, such as blood cancers. The primary treatment for solid cancers is surgery to physically remove the tumor, with the goal of getting rid of all tissues involved with the tumor.
For example, in ovarian cancer, surgery often includes removing the ovaries, fallopian tubes and the uterus, along with any visible cancer tissue in the rest of the belly. Sometimes this requires removing the spleen or part of the small intestine or liver.
For skin cancers such as melanoma, surgery involves removing both the tumor and a good margin of normal-looking skin with it to capture any remaining...
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