A higher rate of T@ and T@ stages was found for missed cancers ( @ % , @/@ ) compared to minimal signs ( @ % , @/@ ) or true ICs ( @ % , @/@ ) , while the rate of N@ and N@ stage for both minimal signs ( @ % , @/@ ) or missed cancers ( @ % , @/@ ) was higher than that for true ICs ( @ % , @/@ ) , although all these differences were not significant ( p @ ) .