Why Do Cancer Treatments Only Work For Some Patients?

Every patient’s body is unique and reacts differently. Dr. Sapna Patel explains how the immune system is capable of recognizing over 1 million foreign particles, cancers and viruses. Tumors evolve and change over time. Many look different from when it first grew. Dr. Patel goes on to describe how even though they are all melanoma; they may not be the same, because responses vary with each patient. Dr. Michael Wong and Dr. Mark Gimbel discuss how tumors change.

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