Pelvic venous and pulmonary artery extension in low-grade endometrial stromal sarcoma: a case report

This case highlights the diagnostic complexity of LG-ESS due to its nonspecific clinical presentation and imaging findings, especially in early stages. Rare vascular involvement, including pulmonary artery tumor embolism, poses a risk of misdiagnosis and highlights the importance of thorough histopathological evaluation. Early hysteroscopic intervention, accurate pathological assessment, and individualized adjuvant therapy are critical for optimizing outcomes in patients with LG-ESS exhibiting vascular extension. Informed consent for publication was obtained from the patient.