On completion of this section the cytotechnologist should Know:

• the anatomy and histology of the respiratory tract
• the role and indications of respiratory tract cytology
• the advantages and disadvantages of the different sampling methods
• the reporting terminology
• cytologic features of normal cells from the respiratory tract
• the non-cellular elements and contaminants which may appear in cytologic preparations
• the features of the several benign cellular changes which may be observed
• the cytologic features of inflammatory processes, including granulomatous diseases
• the infectious agents which may be present
• cytologic features of benign lung tumors
• the preneoplastic changes of the respiratory epithelium
• epidemiology and etiopathogenesis of lung cancer
• cytologic features of the different types of lung carcinoma
• cytologic features of metastatic and non-epithelial malignant tumors