Cancer is a difficult medical abnormality which takes much time to be cured and even after cure can come back at any stage of life. This reappearance of cancer after the long period of treatment is termed as recurrent cancer. Any cancer can come back appearing at the same site or some other distant part of the body. This recurrence may happen due to the presence of some dormant cancerous cells which may be remained there untreated during first treatment or may be due to some malignant cells which moved to other portion and save themselves during the first spell of the cure. If recurrent cancer diagnosed patient needs the second round of chemotherapy, radiotherapy or surgical removal.