Department of Oncology Prince Sultan Medical City Riyadh Saudi Arabia;
Researches & Biostatistics Department Prince Sultan Cardiac Center Al Hassa Saudi Arabia;
Histopathology Prince Sultan Medical City Riyadh Saudi Arabia;
Histopathology Prince Sultan Medical City Riyadh Saudi Arabia;
Histopathology Prince Sultan Medical City Riyadh Saudi Arabia;
Histopathology Prince Sultan Medical City Riyadh Saudi Arabia;
Histopathology Prince Sultan Medical City Riyadh Saudi Arabia;
Esophagus; Chemotherapy; Radiotherapy; Non-Hodgkin’s Lymphoma;