“…The characteristic 31 P spectral pattern of tumors seen in vitro, which, unlike the majority of diseases studied is not related to bioenergetics but is instead related to modifications of intermediates of phospholipid metabolism, al-so has been found in vivo. The pattern consists of relatively high concentrations of Etn-P and Cho-P. Several general reviews have been published on the subject [167][168][169][170][171][172], as well as papers on specific tumor histopathologies (lymphomas [173][174][175][176]; sarcomas [177][178][179][180]; and breast [69,[181][182][183][184][185], lung [186,187], brain [188], prostate [189], and liver carcinomas [190]) as well as follow up of anticancer treatment [191][192][193][194][195].…”