Fig. 2From: Coexistence of pulmonary lymphangioleiomyomatosis and pulmonary angiomyolipomaa An abdominal magnetic resonance imaging scan and b an abdominal CT scan showing a round heterogeneous mass of 4 cm in diameter (arrow) on the upper pole of the left kidney. c Eight months after sirolimus therapy, the CT reveals that the mass has shrunk to 2.1 cm in diameterBack to article page