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Kato et al. Mini-invasive Surg 2021;5:5 I http://dx.doi.org/10.20517/2574-1225.2020.98 Page 9 of 11

Furthermore, minimally invasive surgery has progressed in robotic surgery. Robotic surgery is more
suitable for small spaces, such as the pelvic cavity. A small working space is sufficient to perform sublobar
resections. A new style robot system such as a da Vinci SP may be effectively used for sublobar resections
as a minimally invasive surgical procedure in the future.

The selection of procedures for sublobar resection must be adapted to each patient according to tumor size,
GGO ratio, and tumor location. Individualized sublobar resection will continue to evolve with applications
such as CT and other new methods.

In conclusion, thoracoscopic sublobar resection might be a suitable procedure for small-sized lung cancers
with the appropriate selection of procedures based on each tumor’s characteristics and methods described
herein and will continue to be further improved with new technologies in the future.

DECLARATIONS
Authors’ contributions
Substantial contributions to the conception and design of the study: Kato H, Oizumi H, Suzuki J, Suzuki K,
Takamori S

Availability of data and materials
Not applicable.

Financial support and sponsorship
None.

Conflicts of interest
All authors declared that there are no conflicts of interest.

Ethical approval and consent to participate
Not applicable.

Consent for publication
Not applicable.

Copyright
© The Author(s) 2021.

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