Complete radiological and biochemical remission at 26 months in a young adult with primary mediastinal yolk sac tumor: a case report and literature review on multimodal management
Primary mediastinal yolk sac tumor (PMYST) is an extremely rare and highly malignant germ cell tumor that predominantly affects young males and is associated with a poor prognosis. We present the case of a 23-year-old non-smoking male diagnosed with stage III (cT4N0M0) PMYST who received comprehensive treatment guided...