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Updated: Feb 17, 2026

Robotic-assisted Left Pneumonectomy For Vanishing Lung Syndrome
Published on: January 23, 2026
A 51-Year-Old Woman With an Increasing Chest Wall Mass Years After Resection of an Early Stage Lung Cancer
Ajay Dhakal1, Hongbin Chen1, Elisabeth U Dexter2
1Department of Medicine, Roswell Park Cancer Institute and Department of Medicine, University at Buffalo, Buffalo, NY.
Case Presentation:
A 51-year-old woman was found to have a new 14 × 6 mm soft tissue mass under the right serratus muscle on a CT scan of the chest performed for routine surveillance due to her history of stage I lung cancer. A follow-up CT scan performed 4 months later showed that the mass had increased in size to 22 × 8 mm. The patient presents to the oncology clinic to discuss the results of the CT scan. She has no pain or swelling on the right lateral chest and no cough, fever, or shortness of breath. She is at her baseline health with good appetite and functional status.
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Pneumothorax-II
Clinical Manifestations:
Flail Chest-II
Assessment:
1. Clinical Evaluation:
History:

