c("patient: Patient 1", "pathology: Normal", "cell type: Normal basal cells")
c("patient: Patient 1", "pathology: Normal", "cell type: Normal basal cells")
c("patient: Patient 1", "pathology: Normal", "cell type: Normal basal cells")
c("patient: Patient 1", "pathology: Premalignant", "tissue: Premalignant lesion")
c("patient: Patient 1", "pathology: Tumor", "tissue: Squamous cell carcinoma")
c("patient: Patient 1", "pathology: Tumor", "tissue: Squamous cell carcinoma")
c("patient: Patient 2", "pathology: Normal", "cell type: Normal basal cells")
c("patient: Patient 2", "pathology: Premalignant", "tissue: Premalignant lesion")
c("patient: Patient 2", "pathology: Premalignant", "tissue: Premalignant lesion")
c("patient: Patient 2", "pathology: Tumor", "tissue: Squamous cell carcinoma")
c("patient: Patient 2", "pathology: Tumor", "tissue: Squamous cell carcinoma")
c("patient: Patient 3", "pathology: Normal", "cell type: Normal basal cells")
c("patient: Patient 3", "pathology: Premalignant", "tissue: Premalignant lesion")
c("patient: Patient 3", "pathology: Premalignant", "tissue: Premalignant lesion")
c("patient: Patient 3", "pathology: Tumor", "tissue: Squamous cell carcinoma")
c("patient: Patient 3", "pathology: Tumor", "tissue: Squamous cell carcinoma")
c("patient: Patient 3", "pathology: Tumor", "tissue: Squamous cell carcinoma")
c("patient: Patient 4", "pathology: Normal", "cell type: Normal basal cells")
c("patient: Patient 4", "pathology: Normal", "cell type: Normal basal cells")
c("patient: Patient 4", "pathology: Premalignant", "tissue: Premalignant lesion")
c("patient: Patient 4", "pathology: Premalignant", "tissue: Premalignant lesion")
c("patient: Patient 4", "pathology: Tumor", "tissue: Squamous cell carcinoma")
c("patient: Patient 4", "pathology: Tumor", "tissue: Squamous cell carcinoma")
c("patient: Patient 4", "pathology: Tumor", "tissue: Squamous cell carcinoma")