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We have obtained diagnostic slides , archived tumor blocks , and pathology and surgical reports on cases . Options range from the prenatal ultrasound to the advanced magnetic resonance angiography , which provides optimal planning for surgical correction . Important among the factors that are directly or indirectly affecting our vulnerability to infectious agents are : continuing increases in human populations , life expectancy , urbanization , grouping of susceptibles in day care and nursing homes , home care , immunosuppression , air travel , improper antibiotic use , invasive diagnostic and surgical practices , and global trade . The surgical setup should include a broad-spectrum antibiotic solution for irrigation . The da Vinci surgical robot can be used to facilitate these more demanding portions of a laparoscopic pyeloplasty .