Table 1. The search strategy summary.

Items	Specification
Date of search	10 August 2022
Database	PubMed
Search string	airway[Title/Abstract] OR lung[Title/Abstract] OR nscl*[Title/Abstract] OR pulmonary[Title/Abstract]) AND (cancer[Title/Abstract] OR carcino*[Title/Abstract] OR oncol*[Title/Abstract]) AND (adipo*[Title] OR BMI[Title] OR “mass index”[Title] OR “body composition”[Title] OR fat[Title] OR fatness[Title] OR obes*[Title] OR overweight[Title] OR “waist”) NOT embolism NOT stroke NOT infection NOT review[Publication Type]
Timeframe	2018–2022
Inclusion and exclusion criteria	Inclusion: full manuscripts published in English including all study designs
	Exclusion: reviews of existing literature, abstracts, preprints, and letters to editors
Selection process	Two authors independently read 304 publication titles to identify 159 publications that were relevant; following a reading of the abstracts of these publications, 69 full texts were included in this review