Cited by 73AI in cancer detectionRadiomics and Machine Learning in Medical ImagingExplainable Artificial Intelligence (XAI)

Grad-CAM Enabled Breast Cancer Classification with a 3D Inception-ResNet V2: Empowering Radiologists with Explainable Insights

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Talaat, Fatma M., Gamel, Samah A., El-Balka, Rana Mohamed, Shehata, Mohamed, ZainEldin, Hanaa·2024·Cancers

Abstract

Breast cancer (BCa) poses a severe threat to women's health worldwide as it is the most frequently diagnosed type of cancer and the primary cause of death for female patients. The biopsy procedure remains the gold standard for accurate and effective diagnosis of BCa. However, its adverse effects, such as invasiveness, bleeding, infection, and reporting time, keep this procedure as a last resort for diagnosis. A mammogram is considered the routine noninvasive imaging-based procedure for diagnosing BCa, mitigating the need for biopsies; however, it might be prone to subjectivity depending on the radiologist's experience. Therefore, we propose a novel, mammogram image-based BCa explainable AI (BCaXAI) model with a deep learning-based framework for precise, noninvasive, objective, and timely manner diagnosis of BCa. The proposed BCaXAI leverages the Inception-ResNet V2 architecture, where the integration of explainable AI components, such as Grad-CAM, provides radiologists with valuable visual insights into the model's decision-making process, fostering trust and confidence in the AI-based system. Based on using the DDSM and CBIS-DDSM mammogram datasets, BCaXAI achieved exceptional performance, surpassing traditional models such as ResNet50 and VGG16. The model demonstrated superior accuracy (98.53%), recall (98.53%), precision (98.40%), F1-score (98.43%), and AUROC (0.9933), highlighting its effectiveness in distinguishing between benign and malignant cases. These promising results could alleviate the diagnostic subjectivity that might arise as a result of the experience-variability between different radiologists, as well as minimize the need for repetitive biopsy procedures.

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Crossref · 10.3390/cancers16213668

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  • Grad-CAM generates heatmaps showing which regions influenced a model's decision, highlighting specific areas of a mammogram that suggest malignancy or pathology features indicative of aggressive disease.

    “For imaging applications, techniques like Grad-CAM generate heatmaps showing which regions influenced a model’s decision, highlighting specific areas of a mammogram that suggest malignancy or pathology features indicative of aggressive disease [158,159,160,161].”

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Research works printed but not linked: 1

  1. [23]Liu S. Enhancing Breast Cancer Classification Using Transfer ResNet with Lightweight Attention Mechanism arXiv 2023 2308.13150

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Authors
Talaat, F. M., Gamel, S. A., El-Balka, R. M., Shehata, M., & ZainEldin, H.
Affiliations
  • Kafrelsheikh University (EG)
  • Horus University – Egypt (EG)
  • Mansoura University (EG)
  • University of Louisville (US)
Corresponding author
Shehata, Mohamed
Venue
Cancers
Publisher
MDPI AG
Published
2024-10-30
Volume
16
Issue
21
Pages
3668
ISSN
2072-6694 (ISSN-L)
OpenAlex
W4403946353
Cited by
67
References
26
Citations by year
2026: 36 · 2025: 30 · 2024: 1
FWCI
9.87
Type
journal article
Language
en
Open access
Locations
  • Cancers (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › AI in cancer detection
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Radiomics and Machine Learning in Medical Imaging
  • Physical Sciences › Computer Science › Artificial Intelligence › Explainable Artificial Intelligence (XAI)
Keywords
breast cancer classification, mammography, Grad-CAM, explainable AI, InceptionResNetV2, 3D convolutional neural networks, DDSM, CBIS-DDSM, radiology decision support

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