肿瘤切除术

• ⺼(flesh; body)RADICAL
• 中(middle; inside)PHONO-SEMANTIC

Swelling happens when flesh inside the body accumulates and puffs outward.

• 七(seven)PHONETIC
• 刀(knife; blade)RADICAL

Using a knife to chop seven times cuts everything apart.

• 阝(earthen mound; village wall; rampart)RADICAL
• 余(surplus; remainder)PHONO-SEMANTIC

Remove the excess remainder along the city wall's edge, like clearing away an earthen mound.