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. 2018 Aug 6;19(5):880–887. doi: 10.3348/kjr.2018.19.5.880

Fig. 3. 63-year-old male with invasive adenocarcinoma showing open bronchus.

Fig. 3

A. Open bronchus (arrow; OBU index, 3) was noted within tumor, connected to central airway. B. Therefore, inferior portion of tumor, which was solid and without patent bronchus, was targeted. Pre-procedural imaging evaluation and needle path planning facilitated prevention of hemoptysis.