Fig. 1From: Endobronchial brachytherapy as definitive treatment for endobronchial metastasis after surgery of non-small cell lung cancera A special source-centralizing applicator developed by Nomoto et al. Two self-expandable wings (arrow). b Schema of endobronchial brachytherapy using the special source-centralizing applicator. The applicator is adjusted to the optimal position such that the tumor is located between the two wingsBack to article page