- Breast-nonmalignant > Benign tumors / changes > Syringomatous tumor of nipple by Mary Ann Gimenez Sanders, M.D., Ph.D.
- Liver and intrahepatic bile ducts - nontumor > Vascular disorders > Hepatoportal sclerosis by Raul S. Gonzalez, M.D.
- Lung nontumor > Other nonneoplastic disease > Acute fibrinous and organizing pneumonia by Akira Yoshikawa and Junya Fukuoka, M.D., Ph.D., Editor: Andrey Bychkov, M.D., Ph.D.
- Stains and molecular markers > SOX11 by Anna Dusenbery, M.D., Editor: Mark R. Wick, M.D.
- Testis and epididymis > Germ cell tumors > Choriocarcinoma by Andres Matoso, M.D.
- Thyroid gland > Other carcinoma > Poorly differentiated thyroid carcinoma by Shuanzeng Wei, M.D., Ph.D.
We have added new images to the following topics:
- Bladder > Nonurothelial benign tumors > Villous adenoma micro images contributed by Carlos C. Diez Freire, M.D. (University of Florida)