Before revision: Cancer270px|Micrographs of loose, moderate and dense desmoplastic stroma in pancreatic ductal adenocarcinoma, as seen with H E stain (top row), Masson's trichrome stain (middle row) and α-smooth muscle actin.Cancer begins as cells that grow uncontrollably, usually as a result of an internal change or oncogenic mutations within the cell.
After revision: E stain (top row), Masson's trichrome stain (middle row) and α-smooth muscle actin.Cancer begins as cells that grow uncontrollably, usually as a result of an internal change or oncogenic mutations within the cell.