Deep learning progressive distill for predicting clinical response to conversion therapy from preoperative CT images of advanced gastric cancer patients

Abstract Background and objective: Identifying patients suitable for conversion therapy through early non-invasive screening is crucial for tailoring treatment in advanced gastric cancer (AGC). This study aimed to develop and validate a deep learning method, utilizing preoperative computed tomograph...

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Main Authors: Saiyi Han, Tong Zhang, Wenzhuo Deng, Shaoliang Han, Honghao Wu, Beier Jiang, Weidong Xie, Yide Chen, Tao Deng, Xuewen Wen, Nianbo Liu, Jianping Fan
Format: Article
Language:English
Published: Nature Portfolio 2025-05-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-01063-6
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author Saiyi Han
Tong Zhang
Wenzhuo Deng
Shaoliang Han
Honghao Wu
Beier Jiang
Weidong Xie
Yide Chen
Tao Deng
Xuewen Wen
Nianbo Liu
Jianping Fan
author_facet Saiyi Han
Tong Zhang
Wenzhuo Deng
Shaoliang Han
Honghao Wu
Beier Jiang
Weidong Xie
Yide Chen
Tao Deng
Xuewen Wen
Nianbo Liu
Jianping Fan
author_sort Saiyi Han
collection DOAJ
description Abstract Background and objective: Identifying patients suitable for conversion therapy through early non-invasive screening is crucial for tailoring treatment in advanced gastric cancer (AGC). This study aimed to develop and validate a deep learning method, utilizing preoperative computed tomography (CT) images, to predict the response to conversion therapy in AGC patients. This retrospective study involved 140 patients. We utilized Progressive Distill (PD) methodology to construct a deep learning model for predicting clinical response to conversion therapy based on preoperative CT images. Patients in the training set (n = 112) and in the test set (n = 28) were sourced from The First Affiliated Hospital of Wenzhou Medical University between September 2017 and November 2023. Our PD models’ performance was compared with baseline models and those utilizing Knowledge Distillation (KD), with evaluation metrics including accuracy, sensitivity, specificity, receiver operating characteristic curves, areas under the receiver operating characteristic curve (AUCs), and heat maps. The PD model exhibited the best performance, demonstrating robust discrimination of clinical response to conversion therapy with an AUC of 0.99 and accuracy of 99.11% in the training set, and 0.87 AUC and 85.71% accuracy in the test set. Sensitivity and specificity were 97.44% and 100% respectively in the training set, 85.71% and 85.71% each in the test set, suggesting absence of discernible bias. The deep learning model of PD method accurately predicts clinical response to conversion therapy in AGC patients. Further investigation is warranted to assess its clinical utility alongside clinicopathological parameters.
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spelling doaj-art-dd67b9a4b99a4ed7b82126c86cb57f2e2025-08-20T03:10:20ZengNature PortfolioScientific Reports2045-23222025-05-0115111310.1038/s41598-025-01063-6Deep learning progressive distill for predicting clinical response to conversion therapy from preoperative CT images of advanced gastric cancer patientsSaiyi Han0Tong Zhang1Wenzhuo Deng2Shaoliang Han3Honghao Wu4Beier Jiang5Weidong Xie6Yide Chen7Tao Deng8Xuewen Wen9Nianbo Liu10Jianping Fan11The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s HospitalThe Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s HospitalThe Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s HospitalDepartment of The Gastrointestinal Surgery, First Affiliated Hospital of Wenzhou Medical UniversityThe Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s HospitalThe Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s HospitalDepartment of The Gastrointestinal Surgery, First Affiliated Hospital of Wenzhou Medical UniversityThe Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s HospitalDepartment of The Gastrointestinal Surgery, First Affiliated Hospital of Wenzhou Medical UniversityThe Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s HospitalThe Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s HospitalThe Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s HospitalAbstract Background and objective: Identifying patients suitable for conversion therapy through early non-invasive screening is crucial for tailoring treatment in advanced gastric cancer (AGC). This study aimed to develop and validate a deep learning method, utilizing preoperative computed tomography (CT) images, to predict the response to conversion therapy in AGC patients. This retrospective study involved 140 patients. We utilized Progressive Distill (PD) methodology to construct a deep learning model for predicting clinical response to conversion therapy based on preoperative CT images. Patients in the training set (n = 112) and in the test set (n = 28) were sourced from The First Affiliated Hospital of Wenzhou Medical University between September 2017 and November 2023. Our PD models’ performance was compared with baseline models and those utilizing Knowledge Distillation (KD), with evaluation metrics including accuracy, sensitivity, specificity, receiver operating characteristic curves, areas under the receiver operating characteristic curve (AUCs), and heat maps. The PD model exhibited the best performance, demonstrating robust discrimination of clinical response to conversion therapy with an AUC of 0.99 and accuracy of 99.11% in the training set, and 0.87 AUC and 85.71% accuracy in the test set. Sensitivity and specificity were 97.44% and 100% respectively in the training set, 85.71% and 85.71% each in the test set, suggesting absence of discernible bias. The deep learning model of PD method accurately predicts clinical response to conversion therapy in AGC patients. Further investigation is warranted to assess its clinical utility alongside clinicopathological parameters.https://doi.org/10.1038/s41598-025-01063-6Advanced gastricCancer conversionTherapy deepLearningPreoperativeProgressive distill
spellingShingle Saiyi Han
Tong Zhang
Wenzhuo Deng
Shaoliang Han
Honghao Wu
Beier Jiang
Weidong Xie
Yide Chen
Tao Deng
Xuewen Wen
Nianbo Liu
Jianping Fan
Deep learning progressive distill for predicting clinical response to conversion therapy from preoperative CT images of advanced gastric cancer patients
Scientific Reports
Advanced gastric
Cancer conversion
Therapy deep
Learning
Preoperative
Progressive distill
title Deep learning progressive distill for predicting clinical response to conversion therapy from preoperative CT images of advanced gastric cancer patients
title_full Deep learning progressive distill for predicting clinical response to conversion therapy from preoperative CT images of advanced gastric cancer patients
title_fullStr Deep learning progressive distill for predicting clinical response to conversion therapy from preoperative CT images of advanced gastric cancer patients
title_full_unstemmed Deep learning progressive distill for predicting clinical response to conversion therapy from preoperative CT images of advanced gastric cancer patients
title_short Deep learning progressive distill for predicting clinical response to conversion therapy from preoperative CT images of advanced gastric cancer patients
title_sort deep learning progressive distill for predicting clinical response to conversion therapy from preoperative ct images of advanced gastric cancer patients
topic Advanced gastric
Cancer conversion
Therapy deep
Learning
Preoperative
Progressive distill
url https://doi.org/10.1038/s41598-025-01063-6
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