An NCI-designated Comprehensive Cancer Center

Loretta Erhunmwunsee, M.D.

Thoracic Surgeon
Clinical Expertise
Assistant Professor, Division of Thoracic Surgery, Department of Surgery
South Pasadena Patients: 877-998-7546
Referring Physicians/Colleagues: 626-218-0288
Email: [email protected]

Clinical Teams

  • Lung Cancer and Thoracic Oncology
  • Surgery

Loretta Erhunmwunsee, M.D., is a thoracic surgeon and an assistant professor in City of Hope's Division of Thoracic Surgery.

Dr. Erhunmwunsee graduated Phi Beta Kappa from Emory University in Atlanta and received her medical doctorate from Harvard Medical School in Boston, graduating magna cum laude. She continued her postgraduate training at Duke University Medical Center in Durham, North Carolina, completing a general surgery internship, followed by a residency in general surgery, after which she served as chief resident. This was followed by a residency in cardiothoracic surgery, also at Duke.

Board-certified in general and thoracic surgery, Dr. Erhunmwunsee has been the recipient of numerous honors and awards including the World Congress on Lung Cancer Young Investigator’s Award in 2009. She was chosen as an NIH/NMA Academic Career in Medicine Fellow in 2015, and was chosen as a Feagin Leadership Scholar from Duke University in 2014. Dr. Erhunmwunsee is also the recipient of the Peter C. Pairolero Scholarship Award which she received in 2015 from the General Thoracic Surgical Club.

She sees patients with lung, esophageal and mediastinal tumors. Her research focuses on eliminating health inequity in thoracic oncology patients.


City of Hope Comprehensive Cancer Center, 1500 East Duarte Road

Duarte, CA 91010

209 Fair Oaks Ave.

South Pasadena, CA 91030

Erhunmwunsee L, Lu Y, Luo X, et al. (2008) Basal cells in lung cancer.Journal of the American College of Surgeons 2008; 207:3, S30.

Erhunmwunsee L, D’Amico TA. (2008) Detection of occult N2 disease with molecular techniques. Thorac Surg Clin. 2008 Nov; 18(4): 339-347. 

Erhunmwunsee L, Stinnett S, Harpole D. (2009) Socioeconomic status predicts outcomes from NSCLC. J Thor Oncol 2009; 4:9, S310-311.

Erhunmwunsee L, D’Amico TA. (2009) Surgical Management of Pulmonary Metastases. Ann Thorac Surg. 2009 Dec; 88(6): 2052-60.

Erhunmwunsee L, Onaitis MW. (2009) Smoking Cessation and the success of lung cancer surgery. Curr Oncol Rep. 2009 Jul; 11(4): 269-74.

Diesen D, Erhunmwunsee L, Bennett K et al. (2011) Effectiveness of Laparoscopic Computer Simulator versus Usage of Box-Trainer for Endoscopic Surgery Training of Novices. J Surg Educ. 2011 Jul-Aug; 68(4):282-9.

Erhunmwunsee L, Joshi MB, Conlon DH, Harpole DH. (2012) Neighborhood-level socioeconomic determinants impact outcomes in non-small cell lung cancer patients in the southeastern United States. Cancer. 2012 Oct 15; 118(20):5117-23.

Erhunmwunsee L, Englum BR, Onaitis MW, D’Amico TA, Berry MF. (2014) Impact of Pre-treatment Imaging on Survival of Esophagectomy after Induction Therapy for Esophageal Cancer: Who Should be Given the Benefit of Doubt? Ann Surg Oncol 2014 Sep 19; Epub ahead of print.

Hanna J, Erhunmwunsee L, Berry MF, D’Amico TA, Onaitis MW (2014) The Prognostic Importance of the Number of Dissected Lymph Nodes After Induction Chemoradiation for Esophageal Cancer. Ann Thorac Surg 2014 Nov 20; Epub ahead of print.

Erhunmwunsee L, Tong BC. Preoperative Evaluation and Indications for Pulmonary Metastasectomy. Thoracic Surgical Clinics. In Submission

Erhunmwunsee L, Flanagan R, Jaquiss RD, Lodge AJ. Atrial Rhabdomyoma Resection with Extra Cellular Matrix Reconstruction of the Right Atrial Free Wall in an Infant. World Journal of Pediatrics and Congenital Heart Surgery. Accepted.

Waldron NH, Dallas T, Erhunmwunsee L, Wang T, Berry MF, Welsby I. Prevention of perioperative myocardial infarction using Eptifibatide (Integrillin) bridging in thoracic surgery patients. In submission.

Sun V, Raz DJ, Ruel N, Chang W, Erhunmwunsee L, Reckamp K, Tiep B, Ferrell B, McCorkle R, Kim JY. A (2017) Multimedia Self-management Intervention to Prepare Cancer Patients and Family Caregivers for Lung Surgery and Postoperative Recovery. Clin Lung Cancer. 2017 Feb 2. Epub ahead of print.

Castleberry AW, Bishawi M, Worni M, Erhunmwunsee L, Speicher PJ, Osho AA, Snyder LD, Hartwig MG. (2017) Medication Nonadherence After Lung Transplantation in Adult Recipients. Ann Thorac Surg. 2017 Jan;103(1):274-280.

Raz DJ, Clancy SL, Erhunmwunsee LJ. (2017) Surgical Management of the Radiated Chest Wall and Its Complications. Thorac Surg Clin. 2017 May;27(2):171-179. DOI: 10.1016/j.thorsurg.2017.01.011. Epub 2017 Mar 1. Review. PubMed PMID: 28363372; PubMed Central PMCID: PMC5380165.

Erhunmwunsee L, Gulack BC, Rushing C, Niedzwiecki D, Berry MF, Hartwig MG. (2017) Socioeconomic Status, Not Race, is Associated with Reduced Survival in Esophagectomy Patients. Ann Thor Surg. 2017 July; 104 (1): 234-244 .


Book Chapters

Erhunmwunsee L, Clark-Pickett L. (2007) Laparoscopic inguinal herniorrhaphy. In: Pappas TN, Pryor AD, Harnisch MC, eds. Atlas of Laparoscopic Surgery. 3rd ed. Philadelphia, PA: Current Medicine Group, 19-30.

Erhunmwunsee L, Shapiro M. (2008) Percutaneous Endoscopic Gastrostomy. In: Jacobs, DO, editor. Procedures Consult. Amsterdam: Elsevier Inc., 2008.

Erhunmwunsee L, Lagoo S. (2009) Urgent work-up for upper gastrointestinal bleeding. In: Pappas TN, Pryor AD, Branch MS, eds. Gastrointestinal Bleeding: A Practical Approach to Diagnosis and Management. 1st Ed. New York, NY: Springer, 13-23.

Erhunmwunsee L, D’Amico TA. (2010) Surgical Management of Pulmonary Metastases. In: Czito B, Willett C, editors. Rectal Cancer: International Perspectives on Multimodality Management. New York: Humana Press, 2010:123-130.           

Erhunmwunsee L, Pryor A.  (2014) Benign Gallbladder Disease: Choledocholithiasis and Cholangitis. In: Blazer T, Kuo P, Pappas TN, Clary BM eds. Contemporary Surgical Management of Liver, Biliary Tract, and Pancreatic Disease. Singapore: World Scientific Publishing Co., 2014: 311-322.

Erhunmwunsee L, D’Amico TA. (2015) Pulmonary Metastases: The Role of Surgical Resection. In: Grippi M, Elias J, Fishman J, Kotloff R, Pack A, Senior R, eds. Fishman Pulmonary Diseases and Disorders.  5th edition. New York: McGraw Hill Education, 2015.

Erhunmwunsee L, Onaitis MW. (2015) Staging of Esophageal Cancer In: Shield’s General Thoracic Surgery. Philadelphia: Wolters Kluwer, 2015. In Submission


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