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Dr. Michael Weyant

Dr. Michael Weyant

Associate Professor, Cardiothoracic Surgery

Dr. Michael J. Weyant , thoracic surgeon at the University of Colorado Cancer Center, might not see as many pleural mesothelioma patients as some of his peers, but his opinions are as respected every bit as much.

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About Michael Weyant

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    Pleural and Lung Cancer

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    Excellence in Research

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    Minimally Invasive Surgery

Weyant was chosen to write the lead editorial in the highly regarded Journal of Thoracic Oncology (April 2012) that accompanied a study report from England calling for the halt of the extrapleural pneumonectomy (EPP) surgery, in favor of the less-radical pleurectomy/decortication (P/D) for mesothelioma patients.

Weyant didn’t totally agree with the findings, believing each patient’s needs should be evaluated on a case-by-case basis.

Weyant, who joined the faculty at the University of Colorado School of Medicine in 2005, has dedicated his practice to all areas of general thoracic surgery, including thoracic malignancies, minimally invasive procedures and esophageal and lung disease.

He has a particular interest in chest wall resection and reconstruction, along with surgery for end-stage lung disease and endoluminal therapies. Weyant has been involved in lung transplant surgery and a wide range of cancer surgeries.

Dr. Weyant

The results of the current study … provide additional data that should lead us to consider P/D in all trials of treatment. Yet it is too early based on this data to completely abandon EPP altogether as there may be patient subsets where the potential reward outweighs the risks of the procedure.

Extensive Research

He also has initiated extensive laboratory research in the areas of lung carcinoma and esophageal malignancy. He took the lead in a National Institute of Health SPORE grant trial that explored completely resected Stage 1B-IIIA non-small cell lung cancer.

His laboratory work has led to multiple presentations at various medical conferences regarding his lung cancer research. He also has received several excellence-in-teaching awards, mentoring multiple surgery residents pursuing research fellowships.

He has been lauded for his research in the early detection of lung cancer, along with his work in the Colorado community to raise awareness of the impact of lung cancer. He was quoted extensively in a Second Opinion column for Cancer Network, where he discussed lymph node involvement in early stage non-small cell lung cancer.

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Weyant spent his earlier years in New York, where he first attended Syracuse University and then Mount Sinai School of Medicine of New York University. He did an internship and completed his residency program at Presbyterian Hospital (Cornell campus).

Fast Fact

Dr. Weyant has been involved in a wide range of thoracic surgeries, including lung transplants.

He finished his thoracic surgery fellowship at Memorial Sloan-Kettering Cancer Center before coming to Colorado as an assistant professor in 2005. He was promoted to Associate Professor at Colorado in 2010.

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Senior Content Writer

Tim Povtak is an award-winning writer with more than 30 years of reporting national and international news. His specialty is interviewing top mesothelioma specialists and researchers, reporting the latest news at mesothelioma cancer centers and talking with survivors and caregivers.

Walter Pacheco, Managing Editor at
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2 Cited Article Sources

The sources on all content featured in The Mesothelioma Center at include medical and scientific studies, peer-reviewed studies and other research documents from reputable organizations.

  1. Weyant, Michael J. M.D., Cardiothoracic Surgery Faculty, University of Colorado School of Medicine. 2012. : Retrieved from:
  2. Unexpected N2 Lymph Note Involvement Found During Surgery for Early-Stage NSCLC, Second Opinion Column. April 30, 2009. Cancer Network. : Retrieved from:

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Last Modified August 7, 2020

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