Participants must have histologically or cytologically confirmed adenocarcinoma of the rectum Histologically or cytologically confirmed adenocarcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the prostate Histologically- or cytologically-confirmed diagnosis of adenocarcinoma or squamous cell carcinoma of the esophagus or Siewert type I adenocarcinoma of the EGJ Histologically or cytologically confirmed adenocarcinoma of the prostate previously treated with surgery and/or radiotherapy. Have a histologically or cytologically confirmed adenocarcinoma or poorly differentiated carcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the prostate without pure small cell carcinoma; patients without histologically confirmed adenocarcinoma may be eligible if both the treating physician and the study principal investigator (PI) agree that the patients history is unambiguously indicative of advanced adenocarcinoma Histologically or cytologically confirmed adenocarcinoma of the prostate and the availability archival prostate tumor sample is required Patients must have histologically or cytologically confirmed adenocarcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of prostate. Histologically or cytologically confirmed adenocarcinoma of the prostate. Histologically or cytologically confirmed adenocarcinoma of the prostate without signet cell, or small cell features. Has histologically or cytologically confirmed diagnosis of adenocarcinoma of the prostate; Subjects must have histologically or cytologically confirmed adenocarcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the prostate (the availability archival prostate tumor sample is preferred not required) Histologically or cytologically confirmed adenocarcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the breast Histologically or cytologically confirmed adenocarcinoma of the prostate (excluding predominant small cell histology) Histologically or cytologically confirmed adenocarcinoma of the prostate Patients must have histologically or cytologically confirmed adenocarcinoma of the prostate Histologically or cytologically confirmed prostate adenocarcinoma Has histologically- or cytologically-confirmed adenocarcinoma of the prostate without small cell histology The subject has histologically or cytologically proven adenocarcinoma of the breast that is HER+ The patient has histologically, or cytologically, confirmed adenocarcinoma of the prostate. Have a histologically or cytologically confirmed adenocarcinoma or poorly differentiated carcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the prostate without pure small cell carcinoma; patients without histologically confirmed adenocarcinoma may be eligible if both the treating physician and the study principal investigator (PI) agree that the patients history is unambiguously indicative of advanced adenocarcinoma Histologically or cytologically confirmed adenocarcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the prostate Participants must have histologically or cytologically confirmed adenocarcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the prostate at either MSKCC or at the participating site I . Histologically- or cytologically-confirmed prostate adenocarcinoma. Histologically or cytologically confirmed adenocarcinoma of the prostate without signet ring cell features. Histologically or cytologically confirmed HER-negative adenocarcinoma of the breast Histologically or cytologically confirmed adenocarcinoma of the prostate. Histologically or cytologically confirmed adenocarcinoma consistent clinically with androgen independent prostate cancer Histologically or cytologically proven adenocarcinoma of the breast Diagnosis of histologically or cytologically confirmed prostate adenocarcinoma. Histologically or cytologically proven adenocarcinoma of the prostate Histologically or cytologically confirmed adenocarcinoma of the breast. Patient must have histologically or cytologically confirmed colorectal adenocarcinoma or small bowel adenocarcinoma Histologically or cytologically confirmed diagnosis of prostate adenocarcinoma, surgically castrated or continuous medical castration (for >= weeks prior to Screening) Histologically or cytologically confirmed adenocarcinoma of the prostate; Histologically or cytologically confirmed adenocarcinoma of the prostate; Histological or cytologically confirmed prostate adenocarcinoma