Surgery Critically ill patient recovering from a surgery develops right upper quadrant pain. What is the probable diagnosis A calculous cholecystitis B Acalculous cholecystitis C Empyema of gallbladder D Porcelain gallbladder. 💡 Explanation Critically ill patient recovering from a surgery develops right upper quadrant pain. What is the probable diagnosis ✓ Correct Answer: B. Acalculous cholecystitis