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Figure 1. (a) A cannula of Mini-Trach II was inserted to maintain a mini-stoma. (b) At fractionated endotracheobronchial radiotherapy, the cannula was temporarily withdrawn and the endobronchial or endotracheal mini-applicator was gently inserted through the mini-stoma (arrow) using a curved stylet (long arrow) under fluoroscopic monitoring. The soft elastic wings were stretched during insertion (shadowed arch indicated with a broken arrow). (c) Measuring wire with dots at 1 cm intervals was inserted in the bronchial applicator, the wings of which were opened to support the applicator position (Note the different opened width of the soft wings). Reference points were determined according to the vertical distance from the bronchial surface (one reference point is shown by an asterisk, the depth: vertical line).
