The independent prognostic significance of LVI existed only in node-negative patients with ESCC, and the combination of LVI and the TNM system enhanced the predictive accuracy of prognosis. After confirmation, node-negative patients with LVI might be considered for upstaging in pathological staging.

2015): Prediction model of atmospheric refractive index structure parameter in coastal area, Journal of Modern Optics,In this paper, we focus on the prediction of atmospheric refractive index structure parameter (C 2 n ) in coastal area using the routine meteorological parameters. Based on the micrometeorology, macrometeorology and Monin-Obukhov similarity theory, three modified prediction models of C 2 n are presented in combination with the long-term observation data of C 2 n and meteorological parameters in coastal city, respectively. For different weather, the applicable cases of three C 2 n prediction models are comparatively analysed and their applicable effects are comprehensively evaluated. The results indicate that the modified micrometeorology model of C 2 n shows better applicability for overcast sky, the offshore macrometeorology model of C 2 n displays better predictability for sunny day and the offshore Thiermann model provides better availability for overcast sky, cloudy day, overcast to sunny or sunny to overcast day.

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