Fig. 4From: Sarcomatoid mesothelioma diagnosed in a patient with mesothelioma in situ: a case report on morphologic differences after 9-month interval with details analysis of cytology in early-stage mesotheliomaCytological findings of the washing cytology sample of needle-washing cytology used in biopsy (a, b). Spindle-shaped and loosely connective atypical cells appeared with necrosis in Papanicolaou stain (a) and Giemsa stain (b)Back to article page