Fig. 6
From: Diagnostic error and bias in the department of radiology: a pictorial essay
A 71-year-old man underwent multiple follow-up visits after colon cancer surgery. a–f Images showed a small nodule in the lower lobe of the left lung, but the radiologist only compared the current CT image with that of the last examination and reported no changes. By comparing each CT image, the gradually enlarging nodule was recognized, and follow-up imaging confirmed it as a metastatic tumor