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.
Sometimes stomach gas causes nausea and poor appetite. Gas in the stomach may remain for a time before releasing. Too much stomach gas may cause an upset stomach. Stomach gas may remain in the stomach longer in patients who have an irritable bowel syndrome, ulcer or other digestive condition.