fertility preservation Adult 1 Adult Germline Stem Cells 1 Antineoplastic Combined Chemotherapy Protocols 1 Article 1 Cancer Survivors 1 Chemoradiotherapy 1 Chromosome Aberrations 1 Cohort Studies 1 Editorial 1 Fertility Preservation 1 Hodgkin Disease 1 Hodgkin disease 1 Humans 1 In Situ Hybridization, Fluorescence 1 Male 1 Meiosis 1 Mitoxantrone 1 Mutagenesis 1 Organ Sparing Treatments 1 Organs at Risk 1 Prednisone 1 Radiotherapy Dosage 1 Semen Analysis 1 Spermatogenesis 1 Spermatozoa 1 Testis 1 Time Factors 1 Vinblastine 1 Vincristine 1