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Dong-Seok Lee

  • ASSISTANT PROFESSOR Thoracic Surgery
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  • Thoracic Surgery

  • American Board of Surgery

Clinical Focus


  • MD, Rutgers Robert Wood Johnson Medical School

  • Residency, General Surgery
    Mount Sinai Hospital

  • Fellowship, Cardio-Thoracic Surg
    Mount Sinai Hospital


    Dr. Dong-Seok Daniel Lee is an Assistant Professor in the Department of Thoracic Surgery. He obtained his medical degree at Rutgers – Robert Wood Johnson Medical School and completed a residency in General Surgery at Mount Sinai Hospital. He went on to complete a fellowship in Thoracic Surgery at Mount Sinai Hospital. Dr. Lee is certified by both the American Board of Surgery and the American Board of Thoracic Surgery. He is a member of the Society of Thoracic Surgeons.

    Dr. Lee’s practice encompasses all aspects of Thoracic Surgery with extensive expertise in advanced minimally invasive surgical approaches, such as thoracoscopy (VATS) and laparoscopy. He has particular clinical interests in the treatment of lung cancer, esophageal cancer, and benign esophageal diseases (achalasia, reflux, hiatal hernia, diverticula) with minimally invasive surgery.  In addition, Dr. Lee is involved in a clinical trial involving a diaphragmatic pacing system for ventilator-dependent spinal cord injury patients and for patients with ALS/Lou Gehrig's disease.  Dr. Lee is fluent in English, Spanish, and Korean and has offices in Mount Sinai Hospital, Mount Sinai Queens and Brooklyn Heights-Mount Sinai Hospital. 


Long-term survival in video-assisted thoracoscopic lobectomy vs open lobectomy in lung-cancer patients; a meta-analysis.. European Journal of Cardio-Thoracic Surgery 2013 October; 44(4): 591-597.

Postoperative complications in patients undergoing thoracic surgery [editorial]. American College of Chest Physicians 2011 December;(24-25).

The axillary incision: a cosmetic approach iin congenital cardiac surgery. The Journal of Thoracic and Cardiovascular Surgery 2007 November; Volume 134(5): 1358–1360.

Lobe-Specific Mediastinal Nodal Dissection is Sufficient During Lobectomy by VATs or Thoracotomy for Early Stage Lung Cancer. American College of Chest Physicians 2012 October; 142(4).

Superior Vena Caval Resection in Lung Cancer [review]. ScienceDirect 2014 November; 24(4): 441-447.

Industry Relationships

Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device and biotechnology companies to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their relationships with such companies.

Dr. Lee has not yet completed reporting of Industry relationships.

Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website at Patients may wish to ask their physician about the activities they perform for companies.

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1470 Madison Avenue
New York, NY 10029

Tel: 212-241-4325


300 Cadman Plaza West
1 Pierrepont Street
Brooklyn, NY 11201


30-74 31st Street
5th Floor
Long Island City, NY 11102

Patient Office

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3rd Floor
New York, NY 10029

Tel: 212-241-4325
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Office Hours:
  • Monday 9:00am - 5:00pm
  • Tuesday 9:00am - 5:00pm
  • Wednesday 9:00am - 5:00pm
  • Thursday 9:00am - 5:00pm
  • Friday 9:00am - 5:00pm
  • Korean
  • Spanish
Insurance Plans
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  • Commercial/Indemnity
  • Medicaid
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  • Medicare Assignment
  • Worker's Compensation
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