AUTHOR= TITLE=Retraction: Semaphorin 5A, an axon guidance molecule, enhances the invasion and metastasis of human gastric cancer through activation of MMP9 JOURNAL=Pathology and Oncology Research VOLUME=Volume 32 - 2026 YEAR=2026 URL=https://www.por-journal.com/journals/pathology-and-oncology-research/articles/10.3389/pore.2026.1612665 DOI=10.3389/pore.2026.1612665 ISSN=1532-2807