CD44 and ALDH expression pattern in Squamous Cell Carcinoma (SCC) and Adenocarcinoma (AC) of the lung.

Tumor TypeSCC = Squamous cell carcinomaAC = Adenocarcinoma.Grade1+ = Well differentiated2+ = Moderately differentiated3+ = Poorly differentiated.Amount of Staining0+ = 1+ = 6 to 24% of cells2+ = 25 to 49% of cells3+ = 50 to 74% of cells4+ = 75% or greater of cells.Intensity of Staining0+ = no staining1+ = weekly positive2+ = moderately positive3+ = strongly positive.Co-localizationN = No co-localizationY = co-localization identifiedNA = Not Applicable.