I am doing a research on medical image classification using swarm optimisation , I need a data set for brain tumor and chest with large number of samples .. also I need it with previous related works inorder to comparsion.
One of the suggested sources is this brain tumor dataset that contains 3064 T1-weighted contrast-inhanced images with three kinds of brain tumor: https://figshare.com/articles/brain_tumor_dataset/1512427
Chest Tumor datasets (I assume that by "chest" you refer to thoracic cancers, such as lung cancer, esophageal cancer, etc):