Fig. 2From: Severe hypercalcemia caused by parathyroid hormone in a rectal cancer metastasis: a case reportLevels of carcinoembryonic antigen (CEA, a), parathyroid hormone (PTH, b) and free calcium (c) after diagnosing rectal cancer relapse. d Outline of main treatment events. Rx: radiotherapy towards the fibula. Surg: Surgical resection of the fibular headBack to article page