This is so sad!
But it's also very good, because apparently Christina caught it in time that she's expected to make a full recovery.
Said her rep: "Christina Applegate was diagnosed with an early form of breast cancer. Benefiting from early detection through a doctor ordered MRI, the cancer is not life threatening. Christina is following the recommended treatment of her doctors and will have a full recovery. No further statement will be issued at this time."
For more from the source, click here.