NOVEL ENDOSCOPIC APPROACH FOR TREATMENT OF MALIGNANT TRACHEOESOPHAGEAL FISTULA (TEF): A CASE REPORT



Composite neuroendocrine tumor and adenocarcinoma of the rectum

Abstract Background Although adenocarcinomas showing neuroendocrine differentiation or those mixed with high-grade neuroendocrine carcinoma (NEC) are sometimes encountered, composite tumors comprising neuroendocrine tumor (NET) Grade 1 and adenocarcinoma are exceedingly rare.Case presentation A Washer Suspension Guide 64-year-old male presented aft

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On the Expressive Power of 2-Stack Visibly Pushdown Automata

Visibly pushdown automata are input-driven pushdown automata that recognize some non-regular context-free languages while preserving the nice closure and decidability properties of finite automata.Visibly pushdown automata with multiple stacks have been considered recently by La Torre, Madhusudan, and Parlato, who exploit the concept of visibility

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