2023. The Utility of Ultrasound-guided Tru-cut Biopsy in the Diagnosis of Occult Breast Carcinoma Presenting as Ovarian Malignancy with Multiple Metastases: A Case of Unknown Primary. Acta Medica Philippina. 57, 11 (Nov. 2023). DOI:https://doi.org/10.47895/amp.vi0.5128.