Which of the following statements about esophageal cancer is incorrect?
选项：

A:Women at the age of 40-70 are susceptible to esophageal cancer;
B:The main symptom is progressive dysphagia;
C:Pathological classification can be divided into infiltration type, hyperplasia type and ulcer type;
D:Early esophageal cancer only invades the mucosa or submucosa, with limited range and mild symptoms;
E:Early esophageal cancer can only be diagnosed by careful examination