Does gerson therapy cure the cancer (Thymic Carcinoma)?

hello,

My mom have cancer (Thymic Carcinoma).diagnosis on 6/15/2011
the Size of tumor:7.2x 5.5cm.
She is 54 years old.Symptoms Findings on 12/2010.continous cough for one and half years.Doctor predict the chemotherapy and radiation treatment will not be good result,So She don't want to cure by chemotherapy and radiation.

Are anyone recover by Gerson therapy here?Does Gerson therapy cure the cancer (Thymic Carcinoma)?Does it high cure rate in thymic Carcinoma?we are in Hong Kong. I am just wondering if my mom do this treatment in hong kong? Is there anyone located in China can help her to start this treatment?And How much does Gerson therphy cost ?

Thanks!