http://www.bufotanine.com/tumor/type/contents/1038474551.html http://baike.baidu.com/view/282534.htm Stage IV, so sad. I am not a specialist. I do not know if a patient with this disease can drink lots of water since the kidney has problem. Overall, for cancer patients, drinking lots of clean, pure water over 2000ml may help. Eat fruit and vegetables. Sunshine, fresh air outside. 花菜,萝卜汁。 树上的侧耳,针层孔菌,桑黄,平盖菌,烧水多喝。