In esophageal cancer, the patient is affected due to many reasons and one of the main reasons is persistent cough. Chronic cough or persistent cough is a cough that does not resolve or go away. Chronic cough is a symptom of other disorders and is not a disease.
https://achengula.com/2017/03/29/persistent-coughing-and-esophageal-cancer/
Persistent Coughing and Esophageal Cancer