Fig. 31From: Chest imaging using signs, symbols, and naturalistic images: a practical guide for radiologists and non-radiologistsSnowstorm sign. Innumerable nodules diffuse through the lung parenchyma, in a patient with diffuse metastatic disease from renal cell carcinoma. The multiple nodules in the lung parenchyma suggest a snowstorm appearance, as reproduced in the embedded figureBack to article page