Pathology

Key Information

cell type; exact size of lesion; depth of invasion through organ wall; mucosal or submucosal extension; number of lymph nodes involved, extension to adjacent tissues (other organs, mesentery)

  • Cytology Reports
  • Brushings
  • Abdominal Washings
  • Thoracentesis

Go to the Pathology page of the Diagnostic Tests module for more information.

Suggested Citation

SEER Training Modules: Pathology. U.S. National Institutes of Health, National Cancer Institute. Cited 22 December 2025. Available from: https://training.seer.cancer.gov.