ArticleCancer reports (Hoboken, N.J.)2025
Modification of Pathological Nodal Classification for pT1b Esophageal Squamous Cell Carcinoma With Lymphovascular Invasion: Over 10-Year Experience.
Article in Cancer reports (Hoboken, N.J.), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Modification of Pathological Nodal Classification for pT1b Esophageal Squamous Cell Carcinoma With Lymphovascular Invasion: Over 10-Year Experience.Cancer reports (Hoboken, N.J.) · 2025Article
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5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundLymphovascular invasion (LVI) adversely affects the survival of pT1b esophageal squamous cell carcinoma (ESCC). It is hypothesized that a modified stage classification of pT1b ESCC based on LVI may facilitate multidisciplinary therapy in LVI-positive patients.
aimsThe study aims to investigate the impact of LVI on pathological nodal classification for pT1b ESCC. METHODS AND
resultsSurgically resected pT1b ESCC patients in Sun Yat-sen University Cancer Center between 2008 and 2018 were retrospectively reviewed. Tumor sections were re-assessed for LVI by gastrointestinal pathologists. The associations between patient survival and LVI were evaluated by the Log-rank method. A multivariate Cox regression model was applied to identify the impact of LVI on survival. Prognostic performance was assessed by Harrell's C-index. A total of 424 cases with the pT1b stage were included. The risk of LVI was significantly higher in patients with nodal positive status (p < 0.001) and larger tumor size (p = 0.033). The 5-year OS for LVI+ patients were 50.3% versus 78.0% for LVI- (p < 0.001). Multivariable analyses suggested that LVI (p = 0.021) and pN (p = 0.016) stages were two independent adverse prognostic factors in pT1b patients. When classifying LVI+ as an independent subgroup into the pN category, the modified pN staging system demonstrated a superior prognostic performance (p < 0.001).
conclusionTumors with LVI should be defined as a separate subclassification to accurately classify the prognostic category in pT1b patients. Further studies are required to investigate multidisciplinary therapies for LVI+ pT1b patients.
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