ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Benign prostatic hyperplasia. Magnetic resonance imaging (MRI) scans of sagittal sections through the pelvis of a 63-year-old male patient with benign prostatic hyperplasia (BPH). BPH is a benign (non-cancerous) increase in the size of the prostate. This condition can obstruct the flow or urine through the urethra.
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