How much would it cost to add a 200 sf room (20'x10') onto a house. A bare room, with the concrete foundation as the floor inside. If it were built with the cheapest (reasonably quality) materials possible, with no heating, plumbing etc. Just a concrete foundation, attached to the house, with walls...
Most of the time, blood in the semen is caused by swelling or infection of the prostate or seminal vesicles. The problem may occur after a prostate biopsy. Often, the cause of the problem cannot be found.
Other causes of blood clots on the knee include: prolonged bed rest or long periods of sitting and lying down, leg paralysis any major surgery under general anesthesia (especially involving hips or legs), and trauma to the knee area from a blow or fall.