PMC5552058_01
Chest X-rays showing reduced air entry of right upper lobe due to primary cancer lesion (A), primary cancer lesion and infiltrate shadows coinciding with the irradiated area (B), patchy ground grass opacity in the left lung (C), and the disappearance of the patchy ground grass opacity (D).
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He was referred to our hospital for the investigation of abnormal chest X-ray (Fig. 1A). One month after completion of RT, chest X-ray and CT images revealed infiltrates inside the irradiated area, leading to the diagnosis of radiation pneumonitis (Fig. 1, Fig. 2A). C-reactive protein of 2.43 mg/dL. Chest X-ray and CT scan showed patchy ground glass opacity in the left lung which did not coincide with the irradiated area (Fig. 1, Fig. 2B). One month later, ground glass opacity on the chest X-ray and CT disappeared (Fig. 1D).