MARVELD1 and squamous cell carcinoma: MARVELD1 expression was also dramatically reduced, either negative (−) or weak (+) expression, 91.4% in adenocarcinoma tissues, 97.7% in squamous cell carcinoma, 90% in adenosquamous carcinoma, 65% in bronchioalveolar cell carcinoma, and 60% in large cell lung carcinoma (Figure 1c).