Metastatic bone disease occurs when cancer spreads from a primary organ site to bone. The spine is the most common location of metastatic disease. See the image below. Lateral radiograph shows sclerotic metastasis of the L2 vertebra in a 54-year-old man with prostatic carcinoma.
The meal itself, some meals are more likely to cause more gas than others e.g high fat, protein meals, or those with lots of onions or cabbage. Also if you lack enzymes to digest beans or milk or have gastritis or Gerd or other diseases affecting digestion you might have these issue. Lastly if you are constipated.
Some foods are gas producing. Eating too much may cause increased gaseousness. This is especially true since irritable bowel syndrome (IBS) can be associated with retention of gas and bloating. Examples include... Beans.