3. Lung cancer
Lung cancer metastasizes to the bones quite often. According to a study that was published in the Journal of the National Comprehensive Cancer Network in 2021, more than one-third of the patients who have lung cancer will develop bone metastases at some point during their illness.
Bone metastasis occurs when cancerous cells from the lungs, from the original tumor, break off and enter the bloodstream, then travel to the lymph system until they reach your bones. After that, these cells weaken the bones and produce pain. The most affected bones are those that are central and large, such as the spine, pelvis, or ribs. Sometimes they spread to the long bones of the legs and arms.
In 80% of cases, the first symptom of bone metastasis is pain. At first, this pain may be dull and resemble a muscle strain, but after a while, it will intensify and gradually become severe. Also, this pain can become worse at night.
