Oncology Diagnostic Unit;
Medical Biochemistry and Molecular Biology Department;
Faculty of Medicine;
Ain Shams University;
Cairo 113331;
Egypt;
Hepatology and Gastroenterology Unit;
Internal Medicine Department;
Faculty of Medicine;
Ain Shams University;
Cairo 113331;
Egypt;
Armed Forces College of Medicine;
Cairo 113331;
Egypt;
Clinical Oncology Department;
Faculty of Medicine;
Ain Shams University;
Cairo 113331;
Egypt;
Gastric; cancer; Molecular; therapy; Targeted; therapy; Biomarkers; Bioinformatics;