<prompt> The most common cause of malignant adrenal mass is:Adrenocoical carcinomaMalignant PhaeochromocytomaLymphomaMetastasis from another solid tissue tumor  <response>: Malignant Adrenocoical carcinoma 2-5 Malignant pheochromocytoma 1 Adrenal neuroblastoma 0.1 Lymphomas including primary adrenal lymphoma 1 Metastases most frequent: breast, lung 1-2 