"For example, CCR5 is overexpressed in breast cancer, prostate cancer, colorectal carcinoma, melanoma, head and neck cancer, gastric cancer, esophageal cancer, pancreatic cancer, as well as other tumors.1"

Our Science excerpt.

This is the paper referenced.
Notice Pestell also listed:

https://pubmed.ncbi.nlm.nih.gov/22637726/