|Squamous cell carcinoma is a skin cancer related to squamous cells present in skin which spread as patches.mostly caused due to long exposure durations to uv radiations. Signs include red patch on skin. It may occur inside mouth, on genitals and on anus. It has to be treated on time otherwise it is deadly. High-impact journals are those considered to be highly influential in their respective fields. The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.