Table 1. Accessibility to nodal stations with different sampling techniques
MediastinoscopyEBUS-TBNAEUS-FNA
Supraclavicular zone
    1±–-
Superior mediastinal nodes
    2R++
    2L+++
    4R++
    4L+++
    3a
    3p_±#±#
Aortic nodes
    5#
    6#
Inferior mediastinal nodes
    7+++
    8+
    9+
N1 nodes
    10 Hilar±+±#
    11 Interlobar+
    12 Lobar+
  • EBUS-TBNA: endobronchial ultrasound-transbronchial needle aspiration; EUS-FNA: endoscopic ultrasound-fine needle aspiration. +: accessible; –: inaccessible; ±: may be accessible. #: casuistic reports that it is feasible.