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[Correspondence] Tracheal implants revisited

An Article in The Lancet by Philipp Jungebluth and colleagues published in 2011 (Dec 10, p 1997),1 can now be found online with four of the original authors having since withdrawn their authorship. That alone is certainly a rare development. The authors described how a seriously ill 36-year-old male patient, with recurrent primary cancer of the distal trachea and main bronchi after complete tumour resection, received a tracheal implant made of polyhedral oligomeric silsesquioxane poly(carbonate-urea) urethane (POSS-PCU).