Quantitative proteomics analysis was performed on two samples of localized prostate tumors from one patient (R40) and eight samples from metastatic prostate cancer sites. One sample from the right lung, one sample from the peritoneal lymph node, and two samples from the mediastinal lymph node were collected from one patient (R43). One sample from the liver and one sample from kidney were collected from another patient (R45). One sample from the periaortic lymph node and one sample from the dura were collected from another patient (R55).