We report a case of a 51-y-old female presenting with synchronous double primary malignancies: advanced endometrial cancer and early-stage lung cancer. One year a post-chemotherapy withdrawal due to toxicity, she developed severe urinary retention and poor performance status caused by pelvic tumor progression. Considered ineligible for standard chemoradiotherapy, she received anlotinib (a novel multi-target TKI) combined with envafolimab (a subcutaneous PD-L1 antibody). This regimen resulted in rapid symptom resolution and significant tumor regression, successfully converting the patient to surgical candidacy. She subsequently underwent laparoscopic hysterectomy, bilateral salpingo-oophorectomy, and lymphadenectomy, achieving an R0 resection. The lung lesion was treated with stereotactic body radiation therapy. She remains disease-free at follow-up. The combination of anlotinib and envafolimab shows promise as an effective conversion therapy for endometrial cancer, particularly in patients with advanced stage, poor performance status, or intolerance to intensive treatments.
Xu et al. (2026) studied this question.