Classification of IHC Images of NATs With ResNet-FRP-LSTM for Predicting Survival Rates of Rectal Cancer Patients


Over a decade, tissues dissected adjacent to primary tumors have been considered “normal” or healthy samples (NATs). However, NATs have recently been discovered to be distinct from both tumorous and normal tissues. The ability to predict the survival rate of cancer patients using NATs can open a new door to selecting optimal treatments for cancer and discovering biomarkers.


This paper introduces an artificial intelligence (AI) approach that uses NATs for predicting the 5-year survival of pre-operative radiotherapy patients with rectal cancer. The new approach combines pre-trained deep learning, nonlinear dynamics, and long short-term memory to classify immunohistochemical images of RhoB protein expression on NATs.


Ten-fold cross-validation results show 88% accuracy of prediction obtained from the new approach, which is also higher than those provided from baseline methods.


Preliminary results not only add objective evidence to recent findings of NATs’ molecular characteristics using state-of-the-art AI methods, but also contribute to the discovery of RhoB expression on NATs in rectal-cancer patients.

Clinical impact:

The ability to predict the survival rate of cancer patients is extremely important for clinical decision-making. The proposed AI tool is promising for assisting oncologists in their treatments of rectal cancer patients.


5-year survival prediction; Rectal cancer; artificial intelligence; deep learning; fuzzy recurrence plots.

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Accuracy of predicted adult height using the Greulich-Pyle method and artificial intelligence medical device

doi: 10.3345/cep.2022.01116.

Online ahead of print.


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Dongho Cho et al.

Clin Exp Pediatr.


No abstract available


AI; VUNO Med®–BoneAge; predicted adult height.

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