La estenosis esofágica puede ser dividida en malignas y benignas. Las malignas son ausadas por cancer primario de esofago y cancer extraesofagico que comprima el esofago. Más del 50% de pacientes con cancer de esofago tienen enfermedad incurable al momento...

Colorectal cancer (CRC) is the third most prevalent cancer and second in terms of mortality. Over 95% of CRC are adenocarcinomas, and the majority develop via the adenoma-carcinoma sequence. Several risk factors are associated with CRC, such as genetic mutations...