AUTHOR=Rasool Novsheena , Wani Niyaz Ahmad , Bhat Javaid Iqbal , Saharan Sandeep , Sharma Vishal Kumar , Alsulami Bassma Saleh , Alsharif Hind , Lytras Miltiadis D. TITLE=CNN-TumorNet: leveraging explainability in deep learning for precise brain tumor diagnosis on MRI images JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1554559 DOI=10.3389/fonc.2025.1554559 ISSN=2234-943X