Fig. 1From: Preoperative CT findings and prognosis of pulmonary sarcomatoid carcinoma: comparison with conventional NSCLC of similar tumor sizeMeasurement of the LAA ratio based on the VP image. The LAA ratio was defined as the percentage of the largest low-attenuation area (LAA) to the largest tumor area. In this case, the LAA ratio was 61%. This is the same case as in Fig. 2(a)-(c)Back to article page