Cytopathology is used to help in the diagnosis of cancer, additionally helps in the analysis of certain infectious diseases and other provocative conditions. Cancer Cytopathology is utilized on tests of free cells or tissue parts, rather than histopathology, which concentrates entire tissues. Cytopathologic tests are some of the time called smear tests on the grounds that the specimens might be spread over a glass magnifying lens slide for ensuing recoloring and infinitesimal examination. In any case, cytology tests might be set up in different ways, including cytocentrifugation. Diverse sorts of smear tests may likewise be utilized for tumor determination. In this sense, it is named a cytological smear.