Pamela K. Allen mainly focuses on Radiation therapy, Surgery, Cancer, Radiosurgery and Lung cancer. Her study on Radiation therapy is covered under Radiology. Her Surgery research includes elements of Internal medicine and Colorectal cancer.

Her Cancer study incorporates themes from Cranial Irradiation, General surgery and Lung disease. Pamela K. Allen combines subjects such as Incidence, Trismus, Spinal cord compression, Magnetic resonance imaging and Prospective cohort study with her study of Radiosurgery. Her research in Lung cancer tackles topics such as Pneumonitis which are related to areas like Amifostine.