We report a case of localized sarcomesothelioma detected during screening via a low-dose CT (LDCT) scan. The patient is a 71-year-old female, a current 56-pack-year cigarette smoker with a past medical history of myocardial infarction and stroke with a Zubrod score of zero. A screening LDCT revealed a 1.9 cm × 1.8 cm × 1.4 cm right lower lobe lesion with smooth margins and close association with the hemidiaphragm. A wedge resection with biopsy showed high-grade sarcomatoid mesothelioma with extensive desmoplastic morphology and negative margins. The patient opted for imaging surveillance, and at 12 months has shown no evidence of tumor recurrence on positron emission tomography (PET)/CT. The case shows that LDCT screening discovers cancers and saves lives. It also presented a dilemma for the patient and her oncologist because common guidelines do not define a recommended treatment.
Keywords: immuno-checkpoint inhibitor; immuno-chemotherapy; localized malignant mesothelioma; preventative care; tobacco abuse.
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