67-year-old male began to complain of chronic pain in the left lower rib cage. The pain is stitch, ever-present, dull and localized at the level of his left last rib, and became slightly worse in the last 2 years. Recent image findings: MRI - "Ovalish hypoechogenic solid formation, Ultra sound - "Suspected intercostal neurinoma at ribs 10, 11 and 12.