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.
Mast cell tumor classification
Pancoast tumor classification
Thymoma classification
Rhabdomyosarcoma classification
Melanoma classification
Acinic cell carcinoma classification
Merkel cell cancer classification
Skin cancer classification