1. Retrospective study on the pattern of treatment choice of metastatic hormone receptor positive breast cancer. E. Aboelkheir, A. Ashour, S. Fadel, W. Arafat. Abstact 2. Impact of the 160 MLC on IMRT technique for head and neck cancer treatment. Engy M. Abdelatif, Inas M. El-Badry, Sabbah I. Hammoury, Amr H. Hussein and Ehab I. Mohamed. Abstact 3. Assessment of the prognostic value of metastatic free survival as overall survival surrogate in breast cancer female patients. Fagr M. Aboumadawy, Ahmed Gaber Gewil, Inas Mohamed Elbadry, Rasha el sakka, Nahla Ahmed Gamal Eldin. Abstact 4. Biobanking in developing countries: Role, Challenges and Opportunities. Fayek Elkhwsky. Abstact 5. Treatment related toxicity of induction chemotherapy followed by concurrent chemoradiotherapy, surgery and adjuvant chemotherapy for treatment of locally advanced rectal cancer. Moamna Mohammed Fahmy, Ahmad Alhosainy, Abdel Motaleb Mohammed,Basant Sh.Elshafaay. Abstact 6. Comparison of the response to Geftinib between exon 19 deletions and exon 21-point mutations in patients with EGFR mutant Advanced NSCLC. Mohamed Esam, Dina Salem, Ghada Refaat, Maha Yehia, Amr Shafik. Abstact 7. Immunotherapy in Metastatic Brain Tumors; Where do we stand? Mohyeldin S Abdelhalim, Malak Munir, Ibrahim ElGarhy, Ahmed Sayed, Ahmed Bayoumi, Eshak I Bahbah, Mohammad Aladawi, Mohamed Elfil. Abstact 8. Evaluation of statistical models in breast cancer prediction in Alexandria, Egypt. Norhan Hekal, Fayek Elkhwsky, Iman Abdel Fattah and Omaima Yassine. Abstact 9. Comparative study for dose-distribution and reproducibility between semilateral decubitus position and supine position for left breast cancer irradiation. Omar Saeed Emam, Mohamed Abouegylah, Rasha Elsaka, Amr Munir, Fady Aziz, Horeya M. Ismail, Nermin A. Osman, Amr Abdelmoneim Mahmoud, Tamer Refaat, Abdelsalam Attia Ismail1 and Amr Abdelaziz Elsaid. Abstact 10. Abbreviated Concurrent Chemo-Radiotherapy in Node-Negative Muscle-Invasive Bladder Cancer. Balata R, Hemeda R, Metwally MI, Malek MM, Elshorbagy S, Mandour D. Abstact 11. Impact of Neutrophil-lymphocyte ratio and Albumin-Globulin ratio on the outcome of women with metastatic breast cancer. Shereen Elshorbagy, Rana Ebied, Ola Elfarargy. Abstact 12. SARS-COV-2 vaccination hesitancy and attitude toward booster doses among breast cancer patients in Tunisia. Melliti R., Tbessi S., Chamsi A., Ouaz H., Belajouza S., Bouzid N., Tebra S. Abstact 13. Malignant pleural effusion in NSCLC, molecular pathogenesis, and management strategies Maintaining the pipes. Sara Salah, Mohyeldin S Abdelhalim, Waleed Arafat. Abstact