... chromosomes 6p (1 0–3 7%), 7q (1 7–3 7%), 7p (3 0–6 0%), 8q (5 0–8 0%), 10q (2 0–5 0%), 15q (1 0– 40%), 17q (3 0–5 0%), and 20q (5 0–8 0%); and frequent loss of chromosomes 4q (2 0–5 0%), 5q (2 0–5 0%), 9p (2 0–5 0%), ... ESOPHAGEAL CANCER – CELL AND MOLECULAR BIOLOGY, BIOMARKERS, NUTRITION AND TREATMENT Edited by Ferdous Rastgar Jazii Esophageal Cancer – Cell and Molecular Biology, Biomarkers, ... frequent loss of chromosomes 4q (2 0–5 0%), 5q (2 0–5 0%), 9p (2 0–5 0%), 14q (3 0–4 0%), 16q (3 6–4 0%), 17p (30%), 18q (2 0–6 0%) and Y (6 0– 76%). The proto-oncogenes are often duplicated, such as MYC (8q), EGFR...