Final answer:
Colorectal cancer screening is recommended, especially for individuals over 50, to identify and remove precancerous polyps. Screenings for ovarian, prostate (via PSA test), and testicular cancer are not generally recommended due to potential risks that may outweigh the benefits.
Step-by-step explanation:
Routine cancer screening is recommended for several types of cancers, but some screenings are recommended against due to various factors such as risks not outweighing the benefits. Among the options given, routine cancer screening is recommended for colorectal cancer, especially for those over 50 years of age, because it can aid in identifying and removing precancerous polyps during a colonoscopy procedure. On the other hand, routine screenings for ovarian, prostate (specifically using the PSA test), and testicular cancers are typically not recommended or are more controversial due to potential risks such as false positives, overdiagnosis, and the possibility of treatment side effects that can outweigh benefits for asymptomatic individuals.