Answer:
Herniated disk
Explanation:
Herniated disk occurs as a result of the rupturing or bulging of the disk annulus. The disc nucleus bulges out of the annulus through a crack or rupture in the annulus into the spine.
Herniated disk occurs along the spine most especially in the lower back and it is known to be the most prominent cause of back pain and also leg pain.
It can be treated through physical therapy, ice therapy, pain relief drugs etc.
From the symptoms displayed by Ms Mary, the most likely diagnosis is Herniated disk.