PMC10348826_01
Pathology results of the biopsy.
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f1
TTF1(+), CK(+), Vimentin(+), CK7(focal+), EGFR(2+), CD56(-), NapsinA(-), P63(-), P40(-), Ki67(+, about 70%). The features were consistent with pulmonary sarcomatoid carcinoma (spindle cell carcinoma) ( Figure 1 ). After treatments, the lesion of the lung was substantially reduced in size ( Figure 2 ,  Table 1 ).
CT scan results of the patient.
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f2
After treatments, the lesion of the lung was substantially reduced in size ( Figure 2 ,  Table 1 ).
PET/CT scan results of the patient.
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f3
No signs of metastasis were found ( Figure 3 ).