41.   The drug treats patients who had chest pains due to coronary artery disease and are undergoing balloon angioplasty, a minimally invasive surgical procedure to clear blocked blood vessels.

42.   The less invasive procedure results in fewer complications -- such as impotence or incontinence -- than surgery.

43.   The more profound implication is that millions of patients across the country are routinely subjected to risky surgery and invasive procedures without medical justification.

44.   Then came the challenge of transforming open-heart surgery, the most invasive procedure of all.

45.   There is little data on cases like the first one in the series, in which an invasive procedure was done on the wrong patient.

46.   They see the drug as the first major innovation to reduce the stigma of invasive surgical procedures and a discreet method of ending unwanted pregnancies.

47.   They strive for less invasive procedures with shorter recovery times and fewer complications.

48.   Painstakingly, the surgeon tracked each blood vessel and blunted certain ones using the minimally invasive procedure.

49.   Patients being screened for colon cancer are put through a CT scan instead of undergoing an uncomfortable invasive procedure.

50.   A Zambian-born gynecologist who reportedly has performed invasive procedures on hundreds of patients despite being HIV-positive denied Monday he was guilty of professional misconduct.