In My Sister’s Keeper, Kate Fitzgerald (Sofia Vassilieva) is diagnosed with acute promyelocytic leukemia when she is two years old, and the prognosis is not positive. Her parents, Sara (Cameron Diaz) and Brian (Jason Patric), and her brother Jesse (Evan Ellingson) are not genetic matches. Sara, at least, will do anything to save Kate, and Dr Wayne (Jeffrey Markle) suggests, off the record, that producing another child in a test-tube would provide a perfectly matched…