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This is because the symptomatology of CBPFM resembles the more common oesophageal atresia (OA) with tracheoesophageal fistula, wherein it may coexist. We report a patient with OA who had a rare form of CBPFM where the upper lobe of the right lung communicated with the upper oesophagus. This account highlights a novel method of working out the uncertain anatomy, in such cases. There may be associated anomalies of the lung parenchyma and vasculature usually involving the pulmonary arterial supply to the affected lung. Clinical, radiological, endoscopic and pathological characterisation permit precise diagnosis in most instances, with an occasional case that defies definition.<\/jats:p>","DOI":"10.1136\/bcr-2020-235095","type":"journal-article","created":{"date-parts":[[2021,1,12]],"date-time":"2021-01-12T18:12:35Z","timestamp":1610475155000},"page":"e235095","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["Elucidating the anatomy of a rare communicating bronchopulmonary foregut malformation (CBPFM) in a preschool child"],"prefix":"10.1136","volume":"14","author":[{"given":"Niveditha","family":"Shama","sequence":"first","affiliation":[{"name":"Paediatric Surgery, Christian Medical College and Hospital, Vellore, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John","family":"Mathai","sequence":"additional","affiliation":[{"name":"Paediatric Surgery, Christian Medical College and Hospital, Vellore, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ekta","family":"Rai","sequence":"additional","affiliation":[{"name":"Anaesthesia, Christian Medical College and Hospital, Vellore, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas Alex","family":"Kodiatte","sequence":"additional","affiliation":[{"name":"General Pathology, Christian Medical College and Hospital, Vellore, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2021,1,11]]},"reference":[{"key":"2025082712443995000_14.1.e235095.1","first-page":"687","article-title":"Factors associated with recurrence of tracheoesophageal fistula","volume":"20","author":"Nir","year":"2018","journal-title":"Isr Med Assoc J IMAJ"},{"key":"2025082712443995000_14.1.e235095.2","unstructured":"Gross RE . 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