Kidney or renal biopsy is the excision of a tissue sample from the kidney for microscopic analysis to determine cell morphology and the presence of tissue abnormalities. This test assists in confirming a diagnosis of cancer found on x-ray or ultrasound or to diagnose certain inflammatory or immunological conditions.
The Three Sisters are a subgroup of the Cascade volcanoes west of Bend in central Oregon, consisting officially of North, Middle, and South Sisters (all approximately 10,000 ft high), though Mt. Bachelor (aka Bachelor Butte) & Broken Top are also in the immediate vicinity.
1 Highway Gateway â Located on Highway 20 (a major Oregon transportation resource) which connects Sisters (and Central Oregon) to Interstate 5 and Interstate 97 as well as direct connections to border states (WA, CA, ID). 2  ODOT estimates approx. 3  5 Million cars pass through Sisters, Oregon annually.