Web-based tutorial on diagnosis of cancer
Slideshow
Other features of cancer
Basophilic (blue) intraluminal mucin, sticky secretions and intraluminal crystalloids may be seen in cancer. They may however also be seen in some benign lesions and are not pathognomonic for cancer (i.e. does not prove that it is cancer).
Cancer with intraluminal mucin
Cancer with intraluminal mucin, sticky secretions and intraluminal crystalloid.