case_images: PMC10348826_01
case_images: Pathology results of the biopsy.
case_images: fonc-13-1167516-g001.jpg
case_images: PMC10348826_01_fonc-13-1167516-g001.jpg
case_images: f1
case_images: 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 ).
case_images: CT scan results of the patient.
case_images: fonc-13-1167516-g002.jpg
case_images: PMC10348826_01_fonc-13-1167516-g002.jpg
case_images: f2
case_images: After treatments, the lesion of the lung was substantially reduced in size ( Figure 2 ,  Table 1 ).
case_images: PET/CT scan results of the patient.
case_images: fonc-13-1167516-g003.jpg
case_images: PMC10348826_01_fonc-13-1167516-g003.jpg
case_images: f3
case_images: No signs of metastasis were found ( Figure 3 ).