Introduction: This study evaluated the efficacy of radiomic analysis with optimal volumes of interest (VOIs) on computed tomography images to preoperatively differentiate invasive mucinous adenocarcinoma (IMA) from non-mucinous adenocarcinoma (non-IMA) in patients with incidental pulmonary nodules (IPNs). Methods: This multicenter, large-scale retrospective study included 1383 patients with IPNs, 110 (8%) of whom were pathologically diagnosed with IMA postoperatively. Radiomic features were extracted from multi-scale VOI subgroups (VOI −2 mm , VOI entire , VOI + 2 mm , and VOI + 4 mm ). Resampling methods, specifically, the synthetic minority oversampling technique, addressed the imbalance between the majority (IMA) and minority (non-IMA) groups. Radiomic features were identified using the least absolute shrinkage and selection operator algorithm. Radscores were calculated by linearly combining the selected features with their weights. A combined nomogram integrating the optimal VOI-based radiomic model with the image-finding classifier was constructed. Results: Bubble lucency and lower lobe predominance were significant in establishing an image-finding classifier to differentiate between IMA and non-IMA in IPNs, achieving an area under the curve (AUC) value of 0.684 (0.568-0.801). Across all radiomic models, IMA had a higher Radscore than did non-IMA. Specifically, the VOI + 2 mm-based radiomic model exhibited the highest performance, with an AUC of 0.832 (0.753-0.911). The combined nomogram outperformed the recognized image-finding classifier and radiomic models, achieving an AUC of 0.850 (0.776-0.925). Conclusion: A nomogram that combines a recognized image-finding classifier with an optimal VOI-based radiomic model effectively predicts IMA in IPNs, aiding physicians in developing comprehensive treatment strategies.
Epithelial-mesenchymal transition (EMT), a biological process through which epithelial cells transform into mesenchymal cells, contributes to tumor progression and metastasis. However, a comprehensive analysis of the role of EMT-related genes in Lung squamous cell carcinoma (LUSC) is still lacking. In this study, data were downloaded from available databases, including The Cancer Genome Atlas (TCGA) database and the Gene Expression Omnibus (GEO) database. The association between differentially expressed EMT-related genes (EMT-RDGs) and LUSC prognosis, drug sensitivity, mutation, and immunity was analyzed using bioinformatics methods. In the results, Lasso and univariate Cox regression analyses identified four EMT-RDGs that were differentially expressed, and used to establish a prognostic model capable of distinguishing between high- and low-risk groups. Then, prognostic factors were identified by multivariate Cox regression analysis and used to construct a nomogram. The high-risk group had a significantly poorer prognosis than the low-risk group. The tumor immune environment was significantly different between the two groups, with the low-risk group exhibiting a better response to immunotherapy. In addition, the half-maximal inhibitory concentration prediction indicating that the constructed model could effectively predict sensitivity to chemotherapy. This study provides new reference for further exploration of new clinical therapeutic strategies for LUSC.
Background: To evaluate the safety and efficacy of camrelizumab plus albumin paclitaxel and carboplatin in the neoadjuvant treatment of borderline resectable or unresectable locally advanced esophageal cancer.Methods: A retrospective analysis was conducted on 27 patients with borderline resectable or unresectable locally advanced esophageal cancer who received neoadjuvant treatment with camrelizumab plus albumin paclitaxel and carboplatin at Shanxi Cancer Hospital from January 2020 to March 2022. Of these, 20 patients underwent thoracoscopic esophagectomy after neoadjuvant treatment.Results: Overall, 88.9% (24/27) of patients completed neoadjuvant treatment. The objective response rate was 79.2% (19/24) according to the RECIST criteria. Of the 20 patients who underwent surgery, the R0 resection rate was 95%, and 35% (7/20) achieved pathological complete response (pCR). During neoadjuvant treatment, 30% (6/20) of patients experienced grade ≥3 treatment‐related adverse events (TRAEs), and 20% (4/20) had grade ≥3 postoperative complications. There were no cases of reoperation or perioperative mortality.Conclusion: Camrelizumab plus albumin paclitaxel and carboplatin were found to be safe and effective in the neoadjuvant treatment of borderline resectable or unresectable locally advanced esophageal cancer. It was observed to improve the rate of curative resection without increasing perioperative complications.
Gender disparities persist in academic oncology, particularly in authorship and senior academic roles. This study evaluates trends in authorship gender representation over the past decade across top oncology journals, focusing on regional, journal-specific, and citation-based disparities. A cross-sectional analysis was conducted on 29,005 articles published between 2014 and 2023 in the top 20 oncology journals, identified through the Web of Science database. Author gender was determined using the NamSor tool. Temporal trends were analyzed using linear regression, and multivariate logistic regression identified factors contributing to gender disparities. Regional and citation analyses explored geographic variations and citation count differences. Among analyzed articles, 41.81% of first authors and 29.93% of last authors were female. Female first authorship showed a significant upward trend (P < 0.01), with gender parity projected by 2034, while parity for last authors is expected by 2055. Regional differences were notable, with North America and Europe leading in female representation. Certain journals, such as CA: A Cancer Journal for Clinicians and Molecular Cancer, exhibited higher female authorship proportions, while Journal of Clinical Oncology had the lowest. Citation analysis revealed female-authored articles received significantly fewer citations than male-authored ones (P < 0.01). Although female authorship in oncology journals has increased over the past decade, disparities remain, particularly in senior roles and citation impact. Addressing these issues requires targeted strategies, including mentorship programs, greater female representation in editorial boards, and institutional policies promoting gender equity.
Objective: To explore the clinical value of molecular residual disease detection based on circulating tumor DNA (ctDNA‐MRD) in the perioperative period of esophageal squamous cell carcinoma (ESCC) and to analyze the tumor escape mechanisms in MRD‐positive cases.Methods: A total of 35 ESCC patients were prospectively enrolled. Preoperative and postoperative (1 month after surgery) blood and surgical tissue samples were analyzed. ctDNA variants were tracked in plasma to assess ctDNA‐MRD, and whole‐transcriptome sequencing was performed on MRD‐positive and MRD‐negative tissue samples.Results: Preoperative blood ctDNA was positive in 54.3% of patients, with a 31.6% positive predictive value for recurrence. One month postsurgery, the positive rate of ctDNA was 17.1%, with an 83.3% predictive value for recurrence. Both preoperative and postoperative ctDNA positivity were significant prognostic indicators (HR = 2.78, p < 0.05; HR = 4.42, p < 0.001). Multivariate analysis confirmed ctDNA as an independent prognostic factor (HR = 303.75, p < 0.001). Transcriptomic analysis revealed increased macrophage (W = 15 848; p < 0.01) and follicular helper T (Tfh) cell (W = 10 935; p < 0.01) levels in MRD‐positive patients, suggesting a potential link to immune escape in tumors.Conclusions: Plasma ctDNA measured 1 month postoperatively in ESCC patients can effectively detect MRD, and ctDNA‐MRD serves as an independent risk factor for postoperative recurrence. The mechanism underlying MRD positivity may involve the polarization of Tfh cells and macrophages, aiding tumor cells in immune escape through the bloodstream.
Background: The objective of this study was to compare three kinds of lymphadenectomy methods along the recurrent laryngeal nerve (RLN) and assess the safety and effectiveness of the new method.Methods: A total of 194 patients with esophageal cancer who underwent minimally invasive esophagectomy (MIE) at our institution from May 2013 to May 2017 were analyzed retrospectively. According to the method of lymphadenectomy along the left RLN, the patients were divided into three groups: 75 cases underwent the conventional method (A group), 80 cases the skeletonized method (B group) and 39 cases the modified Bascule method (C group). The number of dissected lymph nodes and surgical outcomes were recorded and compared to identify differences among the three groups.Results: The frequency of metastasis to the LRLN lymph node was 18.6% among all patients, and 12%, 20% and 28% in groups A, B and C, respectively. The number of harvested lymph nodes (total/chest/LRLN/LRLN+) in group B and group C were significantly greater than that of group A, but not significant between group B and group C. The hoarseness rate in group C was 15.4%, which was lower than the rate in group B (21.3%) and higher than the rate in group A (13.3%), but there was no statistical significance.Conclusions: The new method for lymphadenectomy along the left RLN during MIE in the semi‐prone position is safe and reliable. It provides sufficient lymph node dissection along the left RLN.