Gupta, Surabhi, and Aishna NA, trans. “Primary Carcinoma Esophagus With Unusual Synchronous Second Malignancies: A Case Series”. Indian Journal of Case Reports 8, no. 12 (January 29, 2024): 379–382. Accessed December 5, 2025. https://mansapublishers.com/ijcr/article/view/3673.