What is the fine-grained topic of the following text: Recently we have helped people following: Cruciate ligament reconstruction (Knee) Medial ligament reconstruction (Knee) Cervical discectomy and fusion (Neck) Lumbar discectomy (Low back) Lumbar fusion (Low back) Sub-acromial decompression (shoulder) Hip arthroscopy Knee arthroscopy Shoulder stabilisation Joint replacements (hip, knee) These are some of the more common types of surgery. Only return the topic.
Common types of surgery