When the answer was already there

A 67-year-old man with several cardiovascular risk factors was referred to cardiology consultation, due to effort angina – Canadian Cardiology Society (CCS) class II/IV, for the last 6 months, under optimal medical treatment. Resting electrocardiogram and transthoracic echocardiogram (TTE) were normal. Stress treadmill test was positive. The coronary angiogram revealed a long proximal chronic total occlusion (CTO) of the left anterior descending artery (LAD; J-CTO=1, Rentrop3), a distal CTO of the left circumflex artery (J-CTO=0, Rentrop3) and a 50% stenosis [...]