labs[labs%in%c("Differentiating Basal","Proliferating Basal","Basal","Mesothelial","Alveolar Epithelial Type 2","Club","Alveolar Epithelial Type 1","Ciliated","Signaling Alveolar Epithelial Type 2","Proximal Basal","Neuroendocrine","Mucous","Ionocyte","Serous","Proximal Ciliated","Goblet")]<-"Epithelia"