<prompt> A 25 year old man presents with 3 days history of pain in the right lower abdomen and vomitings. patients general condition is satisfactory and clinical examination reveals a tender lump in right iliac fossa. The most appropriate management in this case would beImmediate appendicectomyExploratory laprotomyOschner Sherren regimenExternal drainage  <response>: Ans. is c i.e., Oschner Sherren regimen 