Figure 2.

(a) Tumor SUVmax (mean ± SD) in each histologic subtypes were as follows: AIS, 0.30 ± 0.42; MIA, 0.97 ± 1.13; LPA, 1.83 ± 1.46; PPA, 4.60 ± 2.72; APA, 5.37 ± 3.20; IMA, 5.88 ± 3.95; MPA, 7.44 ± 2.39 and SPA, 10.26 ± 4.63. The P‐value determined by the Kruskal‐Wallis test was <0.001. (b) Tumor SUVmax (mean ± SD) in different risk groups were as follows: low risk group: AIS+MIA+LPA, 1.71±1.45; PPA+APA, 5.21 ± 3.12; IMA+MPA+SPA, 8.97 ± 4.60. The P‐value determined by the Kruskal‐Wallis test was <0.001. AIS, adenocarcinoma in situ; APA, acinar predominant invasive adenocarcinoma; IMA, invasive mucinous adenocarcinoma; LPA, lepidic predominant invasive adenocarcinoma; MIA, minimally invasive adenocarcinoma; MPA, micropapillary predominant invasive adenocarcinoma; PPA, papillary predominant invasive adenocarcinoma; SPA, solid predominant invasive adenocarcinoma.