I had my kidney removed about 2 years ago. Scans the following year showed a nodule on the adrenal gland, it has recenlty been removed and I have now been told it is malignant. Im waiting for a body scan to see if the cancer has spread anywhere else. Does this mean as it spread to the adrenal gland that its classed as secondary cancer. How quickly does cancer spread... really worried its spread over the past 6 months whilst waiting.