# Left Upper Lobe Lung Cancer With Swyer-James-MacLeod Syndrome

## TL;DR

This paper reports a rare case of lung cancer in a patient with Swyer-James-MacLeod syndrome, a condition affecting lung development.

## Contribution

The novelty lies in presenting a rare co-occurrence of lung cancer and SJMS in an adult, with a detailed surgical approach.

## Key findings

- SJMS is extremely rare in adults and even rarer when associated with lung cancer.
- A robot-assisted thoracoscopic left pneumonectomy was successfully performed for the case.
- This case highlights the importance of considering SJMS in lung cancer diagnosis.

## Abstract

Swyer-James-MacLeod syndrome (SJMS) is characterized by unilateral hyperlucency of the lung on chest roentgenogram, unilateral reduction in vascularity on chest computed tomography, and unilateral loss of perfusion on pulmonary ventilation/perfusion scan. The prevalence of SJMS is reported to be 0.01%, with most cases occurring in children and only a few cases in adults. Therefore, SJMS associated with primary lung cancer is extremely rare. We present a case of left upper lobe lung cancer with SJMS by performing robot-assisted thoracoscopic left pneumonectomy.