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Pulmonary subsolid nodules (SSNs) refer to the pulmonary pure ground-glass nodules and part-solid nodules. SSNs are frequently encountered in clinical settings, such as in screenings conducted with chest computed tomography. The main concern regarding pulmonary SSNs, particularly when they are persistent, has been a lung adenocarcinoma and the precursors to this condition. This review aims at describing the current understanding of the imaging features, histology, natural course, and to present the current management protocols based on the guidelines recently established by the Fleischner Society.