July 2019	Infant is born with prenatally diagnosed Tetralogy of Fallot (TOF). Right ventricular outflow stent placed in the third week of life.
November 2019	Patient presents after desaturation at home to 40% SpO2. Right ventricular outflow tract obstruction considered but was not demonstrated on echocardiography. Patient diagnosed with pulmonary vein stenosis via computed tomography angiography and underwent balloon angioplasty of all four pulmonary veins.
Early 2020	Repeat catheterization with balloon angioplasty and stenting of pulmonary veins in February 2020, April 2020, and May 2020.
May 2020	Patient undergoes surgical repair of TOF and sutureless repair of pulmonary vein stenosis.