Inclusion Criteria:  Subject is > 18 years of age A negative pregnancy test (serum beta-human chorionic gonadotropin, beta-HCG) at screening for all patients of childbearing potential. Clinical and radiological diagnosis of breast cancer or Ovarian cancer or Endometrial Cancer General satisfactory condition (according to the ECOG scale ≤2) Subject is capable to undergo the diagnostic investigations to be performed in the study Informed consent  Exclusion Criteria:  Active current autoimmune disease or history of autoimmune disease  Active infection or history of severe infection within the previous 3 months (if clinically relevant at screening) Known HIV positive or chronically active hepatitis B or C The subject has multiple primary malignant tumors