I would be asking that Dr 9 million questions. Plus are you able to take medical records to get a second opinion? I suggest you doing and making sure the place you g for the second opinion is certified national cancer institute.
You can also contact the live strong. org. they have several free resources and programs for patients who have been diagnosed with cancer. One resource helps you with understanding your medical records and they provide assistance with explaining in layman's terms the different treatment options.