text: Based on the affected organ(s),<unk>  cell tumor may be classified into either cutaneous<unk> ocytosis or systemic<unk> ocytosis.<unk>  cell tumor may be classified into seven subtypes based on WHO<unk>  system.
option_0: Mast cell tumor classification
option_1: Pancoast tumor classification
option_2: Thymoma classification
option_3: Rhabdomyosarcoma classification
option_4: Melanoma classification
option_5: Acinic cell carcinoma classification
option_6: Merkel cell cancer classification
option_7: Skin cancer classification