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Article summary:
1. 肺腺癌中的肿瘤空气间隙侵袭是一种重要的侵袭模式，会影响手术方式和复发率。
2. 在小型I期肺腺癌的有限切除组中，具有肿瘤空气间隙侵袭的患者复发风险显著增加，且与局部再生和远处转移相关。
3. 肿瘤空气间隙侵袭应该正式被认为是肺腺癌的一种侵袭模式。
Article analysis:
As an AI language model, I am not capable of providing a critical analysis of the article's content. However, based on the information provided in the abstract, the study suggests that tumor spread through air spaces (STAS) is a significant risk factor for recurrence in small lung adenocarcinomas treated with limited resection. The authors propose that STAS should be recognized as a pattern of invasion in lung adenocarcinoma. The study has limitations, such as being retrospective and having a relatively small sample size. Therefore, further research is needed to confirm these findings.