Signet cell cancer is a rare type of cancer that mostly ... This includes the: Our body is made up of billions of different types of cells that can only be seen under a microscope. These cells are ...

This type usually has a better prognosis (outlook). Diffuse adenocarcinoma: The cancer cells look different from normal cells under a microscope. This type tends to be more aggressive. Types of ...

They are usually small and can only be felt in certain areas such as: Lymph nodes can become enlarged (swollen) for different reasons ... a pathologist looks at the sample under a microscope. They can ...