The needles, it turned out, had penetrated the abdominal wall and entered the pelvic cavity.
From the time.com
The abdominal cavity is continuous with the pelvic cavity.
From the en.wikipedia.org
Mr Trehan told me he could operate to remove the entire lining of the pelvic cavity where the endometriosis starts.
From the dailymail.co.uk
Endometriosis occurs when fragments of the lining of the womb, the endometrium, start growing on tissues lining the pelvic cavity.
From the newscientist.com
Before the robot, a prostate surgeon like Menon had to learn parts of the craft by feel, because fingers in the pelvic cavity obstruct the line of sight.
From the time.com
Surgeons discovered endometrial tissue growing all over her pelvic cavity, from her ovaries and bladder to her lower intestine and pelvic wall.
From the orlandosentinel.com
The region of the perineum can be considered a distinct area from pelvic cavity, with the two regions separated by the pelvic diaphragm.
From the en.wikipedia.org
Doctors don't fully know what causes it but it happens when the lining of the womb starts to grow outside the womb, in the peritoneum, the membrane that lines the pelvic cavity.
From the dailymail.co.uk
The problem is caused by parts of the lining of the womb, the endometrium, growing where they should not, often in the tissues lining the pelvic cavity and on the bowel and ovaries.