ds.PatientName = phi["patient_name_dicom"]
ds.PatientID = deid_patient_id
ds.PatientBirthDate = phi["dob"].strftime("%Y%m%d")

ds.StudyInstanceUID = study_uid
ds.StudyDate = phi["study_date"].strftime("%Y%m%d")
ds.InstitutionName = phi["institution_name"]