PMC7596341_01
a/1b: Chest CT demonstrated LUL and RUL solid nodules (1a) and LUL and LLL part-solid GGO lesions (1b).
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Further workup with chest computed tomography (CT) also showed two solid nodules in the right upper lobe (RUL) and left upper lobe (LUL) (Fig. 1a), and another two part-solid ground-glass nodules in the LUL and left lower lobe (LLL) (Fig. 1b).
a/2b: Follow-up chest CT demonstrated that the LUL lung cancer had become smaller, but that the RUL tumor had become larger (2a); and the LUL/LLL part-solid GGOs had become mildly enlarged (2b).
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RUL mass had become larger (Fig. 2a). Right upper lobe thoracoscopic lobectomy was performed, and pathologic report revealed undifferentiated carcinosarcoma. However, the other LUL/LLL part-solid GGNs had become mildly enlarged (Fig. 2b), while there was no tumor recurrence in the right lung.