{"paper_id":"409ff322-2a79-4f7c-9cf4-1ec30d80d87e","body_text":"Article Text\nAbstract\nIn this case report, we present a case of a woman in her 30s who was diagnosed with thoracic endometriosis presenting as a large pulmonary mass. Hormonal treatment progestin (synthetic form of progesterone) was started. The patient was deemed technically inoperable due to anatomical constraints.\nFollow-up CT showed little change in the lesion’s size but revealed central cavitation within the lesion due to its connection to a posterobasal bronchus presenting an additional therapeutic dilemma.\nThis case highlights the diagnostic and treatment challenges associated with atypical thoracic masses that mimic malignant tumours particularly in the context of inoperable patients.\n- Drugs: obstetrics and gynaecology\n- Respiratory medicine\nStatistics from Altmetric.com\nFootnotes\nContributors All authors contributed to the manuscript, approved the final version and agree to be accountable for all aspects of the work. Guarantor: First author, AS, is the guarantor of this work and accepts full responsibility for the integrity of the data and the decision to submit the manuscript for publication. Grammarly for grammar, spelling and sentence correction.\nFunding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.\nCase reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.\nCompeting interests None declared.\nProvenance and peer review Not commissioned; externally peer reviewed.","source_license":"public-domain-us","license_restricted":false}