A 6-year-old dog was presented for health screening. It never suffered from any disease. Ultrasonography confirmed mass-like thickening with irregular margins protruding toward the gallbladder (GB) lumen. https://rlxztcd4b0cc.aioblogs.com/87843093/chronotropic-incompetence-can-limit-exercise-tolerance-in-copd-patients-with-lung-hyperinflation