PIN1 and non-small cell lung carcinoma: In cancer patients, a high expression of PIN1 correlates with a poor clinical outcome, lymph node metastasis in non-small cell lung cancer patients, and disease progression in patients with oral squamous carcinoma (Ryo et al., 2001; Ayala et al., 2003; Bao et al., 2004; Suizu et al., 2006).