AHR and non-small cell lung carcinoma: For example, the mRNA or protein of AhR and its downstream genes were found overexpressed in breast cancer [15-17], non-small cell lung cancer [18], thyroid cancer [19,20], cutaneous squamous-cell carcinoma [21], oral squamous cell carcinoma [22], pancreatic cancer [23], endometrial cancer [24], and meningioma [25].