We classify the total spaces of bundles over the four sphere with fiber a three sphere up to orientation preserving and reversing homotopy equivalence, homeomorphism and diffeomorphism. These total spaces have been of interest to both topologists and geometers. It has recently been shown by Grove and Ziller [GZ] that each of these total spaces admits metrics with nonnegative sectional curvature.

Collision tumors are that have at least two types of in the same anatomical site with no area mixing within transition zone. In 2010 WHO classification neuroendocrine consists an adenocarcinoma component and a carcinoma which each components accounts for 30% tumor. Such defined as mixed adenoneuroendocrine carcinomas. Occurrence exocrine endocrine pancreas is extremely rare. The aim our study w...

Objectives. Beginning in 2014, the Society of Gynecologic Oncology and American College Obstetricians Gynecologists have recommended universal tumor testing for mismatch repair deficiency endometrial cancer. Mismatch can triage patients who may benefit from genetic Lynch syndrome. Many women previously diagnosed with cancer not undergone testing. We sought to determine feasibility retroactive a...