Collision tumor is a rare phenomenon characterized by coexistence of completely distinct and independent tumors at the same body location.Collision tumors have been reported in different sites.However, they are extremely uncommon in the duodenum.We report the case of a 52-year old man with a collision tumor in the third usmc msgt chevron portion of
Radiation therapy is one of the most effective methods of tumor eradication; however, in some forms of neuroblastoma, radiation can increase the risk of secondary neoplasms, due to the ability of irradiated cells to transmit pro-survival signals to non-irradiated cells through vesicle secretion.The aims of this study were to characterize the vesicl
Vineyard calcareous soils are usually low in organic matter, which makes them prone to physical, chemical, and biological degradation.Besides, these soils are also usually poor in various nutrients in plant-available form, e.g., iron.To make up for this lack of soil fertility, on the one hand, manures, and on the other, iron chelates are usually us
Liquid sloshing is a common phenomenon in ocean engineering, and one which not only affects the stability of ship navigation, but also poses a threat to both the marine environment and human life.Ascertaining how best to reduce the amplitude of liquid sloshing has always been a key problem 15-eg2373cl in ocean engineering.In this study, based on an