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.
Open all year (lower portion only) Viewpoint climbs donât come much easier than this. After a scant mile of well-graded switchbacks through the forest, this path leads to a cliff-edge lookout site overlooking the McKenzie River Valley from Blue River to the Three Sisters.