Other types include squamous cell carcinoma and adenocarcinoma. Esophageal cancer may be due to either esophageal squamous cell carcinoma (ESCC) or adenocarcinoma (EAC). Mucinous carcinomas must be differentiated from cervical adenocarcinoma. The most common form is squamous cell carcinoma, followed by adenocarcinoma and melanoma. The LNCaP cell line was established from a metastatic lesion of human prostatic adenocarcinoma. It is a precursor lesion of the colorectal adenocarcinoma (colon cancer). M8503/3 Intraductal papillary adenocarcinoma with invasion (C50. Mucinous tumors include mucinous adenocarcinoma and mucinous cystadenocarcinoma. Rare subtypes include pulmonary enteric adenocarcinoma. These are generally less aggressive than pancreatic adenocarcinoma. Nearly all these start in the ducts of the pancreas, as pancreatic ductal adenocarcinoma (PDAC). Urachal adenocarcinoma is histologically similar to adenocarcinoma of the bowel. The incidence of esophageal adenocarcinoma has increased substantially in the Western world in recent years. People with atrophic gastritis are also at increased risk for the development of gastric adenocarcinoma. The incidence of esophageal adenocarcinoma has risen considerably in the UK in recent decades.