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===Grading=== | ===Grading=== | ||
There is no consensus on how grading of lung SCC should be done; however, a three tiered system is suggested in the CAP protocol,<ref>URL: [http://www.cap.org/ShowProperty?nodePath=/UCMCon/Contribution%20Folders/WebContent/pdf/cp-lung-16protocol-3400.pdf http://www.cap.org/ShowProperty?nodePath=/UCMCon/Contribution%20Folders/WebContent/pdf/cp-lung-16protocol-3400.pdf]. Version: 3.4.0.0. Accessed on: 23 March 2016.</ref> and some older data suggestive | There is no consensus on how grading of lung SCC should be done; however, a three tiered system is suggested in the CAP protocol,<ref name=cap_protocol_v3400>URL: [http://www.cap.org/ShowProperty?nodePath=/UCMCon/Contribution%20Folders/WebContent/pdf/cp-lung-16protocol-3400.pdf http://www.cap.org/ShowProperty?nodePath=/UCMCon/Contribution%20Folders/WebContent/pdf/cp-lung-16protocol-3400.pdf]. Version: 3.4.0.0. Accessed on: 23 March 2016.</ref> and some older data is suggestive that such a system for lung SCC can be predictive.<ref name=pmid7092385>{{Cite journal | last1 = Chung | first1 = CK. | last2 = Zaino | first2 = R. | last3 = Stryker | first3 = JA. | last4 = O'Neill | first4 = M. | last5 = DeMuth | first5 = WE. | title = Carcinoma of the lung: evaluation of histological grade and factors influencing prognosis. | journal = Ann Thorac Surg | volume = 33 | issue = 6 | pages = 599-604 | month = Jun | year = 1982 | doi = | PMID = 7092385 }}</ref> | ||
Grading system - as loosely defined by the CAP protocol (version 3.4.0.0):<ref name=cap_protocol_v3400/> | |||
*Grade 1 (well differentiated) - extensive keratinization. | *Grade 1 (well differentiated) - extensive keratinization. | ||
*Grade 2 (moderately differentiated) - some keratinization. | *Grade 2 (moderately differentiated) - some keratinization. |
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