Abstract: The present invention provides nomograms and methods or predicting survival probabilities for patients diagnosed with metastatic pancreatic cancer based upon patient characteristics such as neutrophil to lymphocyte ratio, albumin level, Karnofsky performance status, the sum of the longest diameter of target lesions, liver metastasis, previous Whipple procedure, treatment with nab-paclitaxel, and analgesic use. In some aspects, the nomograms or methods are implemented by a non-transitory computer-readable storage medium.