Watching Small Lung Lesions Do Nothing: "Ground Glass Opacities" Don't Progress Over Years If They're Watched, Not Resected

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In one of my earliest posts about bronchioloalveolar carcinoma (BAC) (in the dark ages, pre-Twitter), I wrote on the subject of managing small BAC-type lesions, which tend to appear as small hazy areas called "ground glass opacities" (GGOs) and suggested that some of these cancers may be so indolent that they don't need to be treated, even if they have the word "carcinoma" in the diagnosis.