Answer:
(c) abdominopelvic - Liver operation
The liver is an organ located in the abdominopelvic area in human anatomy.
(a) thoracic and (d) pericardial - Triple bypass heart surgery
heart and veins and arteries are located in the thoracic and pericardial area
(c) abdominopelvic - Stomach stapling
The stomach also presents in the abdominopelvic.
(a) thoracic and (e) pleural - Removal of a section of lung or lobe
remove of a section of lung or lobe of the lung is surgery performed in thoracic and pleural.
(f) cranial - Manual pressure release of a brain tumor
(c) abdominopelvic - Appendix removal
appendix is a part of the digestive system however it is not functional in humans anymore
(d) pericardial - Gastric bypass surgery