BACKGROUND To investigate the relationship between interstitial maturity and prognosis of colorectal cancer.AIM To examine the correlation between interstitial maturity and the prognosis of colorectal cancer.METHODS T...BACKGROUND To investigate the relationship between interstitial maturity and prognosis of colorectal cancer.AIM To examine the correlation between interstitial maturity and the prognosis of colorectal cancer.METHODS The paper database PubMed,EMBASE,Cochranelibrary,Springerlink,CNKI,and Wanfang database were searched until December 2023."tumor stroma maturity""desmoplastic stroma reaction""desmoplastic reaction""stroma reaction""degree of stroma reaction""stroma classification""stroma density""colorectal cancer""colon cancer""rectal cancer""prognosis"were searched for the search terms.Two system assessors independently screened the literature quality according to the inclusion exclusion criteria,Quality evaluation and data extraction were performed for the included literatures,and meta-analysis was performed for randomized control trials included at using Review Manager 5.2 software.RESULTS Finally,data of 9849 patients with colorectal cancer from 19 cosets in 15 literatures were included,including 4339 patients with mature type(control group),3048 patients with intermediate type(intermediate group)and 2456 patients with immature type(immature group).The results of meta-analysis showed:Relapse-free survival[hazard ratio(HR)=2.66,95%confidence interval(CI):2.30-3.08;P<0.00001],disease-free survival(HR=3.68,95%CI:2.33-5.81;P<0.00001)and overall survival(HR=1.70,95%CI:1.53-1.87;P<0.00001)were significantly lower than those in mature group(control group);relapse-free survival(HR=1.36,95%CI:1.17-1.59;P<0.0001)and disease-free survival rate(HR=1.85,95%CI:1.53-2.24;P<0.0001)was significantly lower than the mature group(control group).CONCLUSION There is the correlation between tumor interstitial maturity and survival prognosis of colorectal cancer,and different degrees of tumor interstitial maturity have a certain impact on the quality of life of colorectal cancer patients.展开更多
BACKGROUND To compare the efficacy and safety of total neoadjuvant therapy(TNT)and neoadjuvant chemoradiotherapy(nCRT)in the treatment of middle and low locally advanced rectal cancer.Our study will systematically col...BACKGROUND To compare the efficacy and safety of total neoadjuvant therapy(TNT)and neoadjuvant chemoradiotherapy(nCRT)in the treatment of middle and low locally advanced rectal cancer.Our study will systematically collect and integrate studies to evaluate the ability of these two treatments to improve tumor shrinkage rates,surgical resection rates,tumor-free survival,and severe adverse events.AIM To provide clinicians and patients with more reliable treatment options to optimize treatment outcomes and quality of life for patients with locally advanced rectal cancer by comparing the advantages and disadvantages of the two treatment options.METHODS A full search of all clinical studies on the effectiveness and safety of TNT and nCRT for treating locally advanced rectal cancer identified in Chinese(CNKI,Wanfang,China Biomedical Literature Database)and English(PubMed,Embase)databases was performed.Two system assessors independently screened the studies according to the inclusion and exclusion criteria.Quality evaluation and RESULTS Finally,14 studies were included,six of which were randomized controlled studies.A total of 3797 patients were included,including 1865 in the TNT group and 1932 in the nCRT group.The two sets of baseline data were comparable.The results of the meta-analysis showed that the pCR rate[odds ratio(OR)=1.57,95%confidence interval(CI):1.30-1.90,P<0.00001],T stage degradation rate(OR=2.16,95%CI:1.63-2.57,P<0.00001),and R0 resection rate(OR=1.42,95%CI:1.09-1.85,P=0.009)were significantly greater in the nCRT group than in the nCRT group.There was no significant difference in the incidence of grade 3/4 acute toxicity or perioperative complications between the two groups.The 5-year OS[hazard ratio(HR)=0.84,95%CI:0.69-1.02,P=0.08]and DFS(HR=0.94,95%CI:0.03-1.39,P=0.74)of the TNT group were similar to those of the nCRT group.CONCLUSION TNT has greater clinical efficacy and safety than nCRT in the treatment of locally advanced rectal cancer.展开更多
A Yb-doped CaF2 transparent ceramics was successfully fabricated by the hot-pressed method and its laser characteristics were studied.A broad tuning performance and mode-locked laser operation were demonstrated in thi...A Yb-doped CaF2 transparent ceramics was successfully fabricated by the hot-pressed method and its laser characteristics were studied.A broad tuning performance and mode-locked laser operation were demonstrated in this ceramics for the first time,to our best knowledge.A 60-nm continuous-wavelength tunable laser from 1019 nm to 1079 nm was obtained with a birefringent filter.By employing a semiconductor saturable absorber mirror without additional dispersion compensation elements,a continuous-wave mode-locked laser with pulse duration as short as 575 fs was delivered,at a central wavelength of 1048.5 nm.The oscillator is operated under a repetition rate of 55 MHz.These results indicate that the Yb:CaF2 transparent ceramics is an ideal candidate for the development of ultrafast lasers in the near-infrared regime.展开更多
文摘BACKGROUND To investigate the relationship between interstitial maturity and prognosis of colorectal cancer.AIM To examine the correlation between interstitial maturity and the prognosis of colorectal cancer.METHODS The paper database PubMed,EMBASE,Cochranelibrary,Springerlink,CNKI,and Wanfang database were searched until December 2023."tumor stroma maturity""desmoplastic stroma reaction""desmoplastic reaction""stroma reaction""degree of stroma reaction""stroma classification""stroma density""colorectal cancer""colon cancer""rectal cancer""prognosis"were searched for the search terms.Two system assessors independently screened the literature quality according to the inclusion exclusion criteria,Quality evaluation and data extraction were performed for the included literatures,and meta-analysis was performed for randomized control trials included at using Review Manager 5.2 software.RESULTS Finally,data of 9849 patients with colorectal cancer from 19 cosets in 15 literatures were included,including 4339 patients with mature type(control group),3048 patients with intermediate type(intermediate group)and 2456 patients with immature type(immature group).The results of meta-analysis showed:Relapse-free survival[hazard ratio(HR)=2.66,95%confidence interval(CI):2.30-3.08;P<0.00001],disease-free survival(HR=3.68,95%CI:2.33-5.81;P<0.00001)and overall survival(HR=1.70,95%CI:1.53-1.87;P<0.00001)were significantly lower than those in mature group(control group);relapse-free survival(HR=1.36,95%CI:1.17-1.59;P<0.0001)and disease-free survival rate(HR=1.85,95%CI:1.53-2.24;P<0.0001)was significantly lower than the mature group(control group).CONCLUSION There is the correlation between tumor interstitial maturity and survival prognosis of colorectal cancer,and different degrees of tumor interstitial maturity have a certain impact on the quality of life of colorectal cancer patients.
文摘BACKGROUND To compare the efficacy and safety of total neoadjuvant therapy(TNT)and neoadjuvant chemoradiotherapy(nCRT)in the treatment of middle and low locally advanced rectal cancer.Our study will systematically collect and integrate studies to evaluate the ability of these two treatments to improve tumor shrinkage rates,surgical resection rates,tumor-free survival,and severe adverse events.AIM To provide clinicians and patients with more reliable treatment options to optimize treatment outcomes and quality of life for patients with locally advanced rectal cancer by comparing the advantages and disadvantages of the two treatment options.METHODS A full search of all clinical studies on the effectiveness and safety of TNT and nCRT for treating locally advanced rectal cancer identified in Chinese(CNKI,Wanfang,China Biomedical Literature Database)and English(PubMed,Embase)databases was performed.Two system assessors independently screened the studies according to the inclusion and exclusion criteria.Quality evaluation and RESULTS Finally,14 studies were included,six of which were randomized controlled studies.A total of 3797 patients were included,including 1865 in the TNT group and 1932 in the nCRT group.The two sets of baseline data were comparable.The results of the meta-analysis showed that the pCR rate[odds ratio(OR)=1.57,95%confidence interval(CI):1.30-1.90,P<0.00001],T stage degradation rate(OR=2.16,95%CI:1.63-2.57,P<0.00001),and R0 resection rate(OR=1.42,95%CI:1.09-1.85,P=0.009)were significantly greater in the nCRT group than in the nCRT group.There was no significant difference in the incidence of grade 3/4 acute toxicity or perioperative complications between the two groups.The 5-year OS[hazard ratio(HR)=0.84,95%CI:0.69-1.02,P=0.08]and DFS(HR=0.94,95%CI:0.03-1.39,P=0.74)of the TNT group were similar to those of the nCRT group.CONCLUSION TNT has greater clinical efficacy and safety than nCRT in the treatment of locally advanced rectal cancer.
基金Project supported by the National Natural Science Foundation of China(Grant Nos.11974220,61635012,and 51902234)。
文摘A Yb-doped CaF2 transparent ceramics was successfully fabricated by the hot-pressed method and its laser characteristics were studied.A broad tuning performance and mode-locked laser operation were demonstrated in this ceramics for the first time,to our best knowledge.A 60-nm continuous-wavelength tunable laser from 1019 nm to 1079 nm was obtained with a birefringent filter.By employing a semiconductor saturable absorber mirror without additional dispersion compensation elements,a continuous-wave mode-locked laser with pulse duration as short as 575 fs was delivered,at a central wavelength of 1048.5 nm.The oscillator is operated under a repetition rate of 55 MHz.These results indicate that the Yb:CaF2 transparent ceramics is an ideal candidate for the development of ultrafast lasers in the near-infrared regime.
