<unk>  <unk> C) is a rare form of highly malignant adenocarcinoma that produces mucin. It is an epithelial malignancy characterized by the histologic appearance of<unk> net<unk>  cells. Primary<unk> C tumors are most often found in the glandular cells of the stomach <unk> C originates in the stomach in 56 percent of patients), and less frequently in the breast, gallbladder, urinary bladder, and pancreas.<unk> Cs do not normally form in the lungs, though a few incidences have been reported. Among colorectal cancers, the prevalence of<unk> C is less than one percent. Though incidence and mortality of gastric cancer has declined in many countries over the past 50 years, there has been an increase in occurrences of gastric<unk> C-type cancers.<unk> C tumors grow in characteristic sheets, which makes diagnosis using standard imaging techniques, like CT and PET scans, less effective.
Signet ring cell carcinoma
Adenomatoid tumor
Spindle cell carcinoma
Mucinous carcinoma
Mucoepidermoid carcinoma
Gastrointestinal stromal tumor
Mycetoma
Adenosarcoma