Adenocarcinoma of the prostate with intense Calponin 1 immunostaining of smooth muscle cells in the tumor stroma stroma cells.

Adenocarcinoma of the prostate with low level Calponin 1 immunostaining of a fraction of dtroma cells.

Calponin 1 immunostaining of tumor infiltrated smooth muscle in a gastric cancer.

Calponin 1 immunostaining of tumor infiltrated smooth muscle in a urothelial carcinoma.