Breast cancer – Strong diffuse CK18 positivity in a breast cancer NST.
Breast cancer - Strong diffuse CK18 positivity in a breast cancer NST. 
Cervical cancer – Adenocarcinoma of the cervix uteri with intense CK18 positivity.
Cervical cancer - Adenocarcinoma of the cervix uteri with intense CK18 positivity. 
Colorectal cancer – Adenocarcinoma of the colon with strong CK18 immunostaining.
Colorectal cancer - Adenocarcinoma of the colon with strong CK18 immunostaining. 
Head and neck cancer – CK 18 negative squamous cell carcinoma of the larynx. Normal glandular cells serve as a positive staining control.
Head and neck cancer - CK 18 negative squamous cell carcinoma of the larynx. Normal glandular cells serve as a positive staining control. 
Kidney cancer – Strong CK18 immunostaining in chromophobe renal cell carcinoma.
Kidney cancer - Strong CK18 immunostaining in chromophobe renal cell carcinoma. 
Ovarian cancer – Strong CK18 immunostaining in a high grade serous carcinoma of the ovary.
Ovarian cancer - Strong CK18 immunostaining in a high grade serous carcinoma of the ovary. 
Sarcoma – Weak to moderate CK18 neo-expression in a sarcoma NOS.
Sarcoma - Weak to moderate CK18 neo-expression in a sarcoma NOS. 
Stomach cancer – strong diffuse CK18 expression in an intestinal type stomach adenocarcinoma.
Stomach cancer - strong diffuse CK18 expression in an intestinal type stomach adenocarcinoma. 
Testicular cancer – Yolk sac carcinoma with strong CK18 immunostaining.
Testicular cancer - Yolk sac carcinoma with strong CK18 immunostaining. 
Urinary bladder cancer – Strong diffuse CK18 expression in a muscle-invasive urothelial carcinoma.
Urinary bladder cancer - Strong diffuse CK18 expression in a muscle-invasive urothelial carcinoma. 
Urinary bladder cancer – Strong diffuse CK18 immunostaining in a (micropapillary) urothelial carcinoma.
Urinary bladder cancer - Strong diffuse CK18 immunostaining in a (micropapillary) urothelial carcinoma. 
Vaginal cancer – Absence of CK18 immunostaining in a squamous cell carcinoma of the vagina.
Vaginal cancer - Absence of CK18 immunostaining in a squamous cell carcinoma of the vagina.