... spread. You and your doctor can work together to develop a treatment plan that meets your needs.12Your doctor may refer you to a specialist who has experience treating thyroid cancer, or you ... may cause you to gain weight, feel cold and tired, and have dry skin and hair. If you have side eects, tell your doctor. Your doctor can give you a blood test to make sure you re getting the ... treatment less eective. To make sure, you should discuss this delay with your doctor.ere are many ways to nd a doctor for a second opinion. You can ask your doctor, a local or state medical...