ROR1 and lung adenocarcinoma: In tissues of lung adenocarcinoma patients we found that totally 65% (24/37) of human lung adenocarcinoma expressed ROR1, including 38% (14/37) with weak or focal expression (Score 1), 16% (6/37) with moderate expression (Score 2), and 11% (4/37) with strong expression (Score 3) (Fig 1C).