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(a) Enhanced computed tomography (CT) scans show a mass shadow (6.9 cm × 6.2 cm) in the left lower lobe (CT value: 28HU plain scan; CT value: 48HU enhanced scan), considered to be lung cancer with obstructive pneumonia. (b) A mass shadow (5.8 cm × 6.3 cm) is shown in the left rear of the cardia with obvious inhomogeneous enhancement, but no abnormal surrounding lymph nodes. (c) An increase to the multiple mediastinal lymph nodes is shown.
