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Three CT views of a nodule classified as a perifissural nodule. The shape is triangular in the (a) axial plane, triangular and/or round in the (b) coronal plane, and oval and/or lentiform in the (c) sagittal plane. The major fissure is not influenced by the nodule. The white arrows point at the nodule; the black arrows point at the attached fissure.
