Cancer: If You Are Diagnosed With It Questions for your doctor: What kind of cancer do I have? What lab tests were done and what did they show? What are my treatment choices? What do you recommend and why? Ascites Ascites is a condition in which fluid collects in spaces within your abdomen. Although the most common cause of ascites is cirrhosis of the liver, for about 10 percent of people with ascites, the cause is cancer. Superior Vena Cava Syndrome Coping with the Diagnosis of Cancer Learn as much as possible about your disease. Arm yourself with information in order to lessen frustration. Don't hesitate to ask questions about your disease. Consider keeping a notebook with all of the medical records and information about your diagnosis.