Category Nuances for bypass_surgery:

• risky,
• individual,
• cardiovascular,
• modern,
• cardiac,
• costly,
• difficult,
• involved,
• medical,
• serious,
• single,
• expensive,
• debilitating,
• complicated,
• coronary,
• atherosclerotic,
• invasive,
• mechanical,
• conventional,
• surgical,
• popular,
• important,
• therapeutic,
• traditional,
• new,
• clinical,
• major,

Simple Categories for bypass_surgery:

• subject,
• operation,
• procedure,
• event,
• topic,
• discovery,
• surgery,
• practice,