by Dr. Partha Mandal It is important to determine if treatment is required. Low grade cancers usually grow slowly and do not require treatment especially if the patient is elderly and has other comorbidities which would limit life expectancy to less than or equal to 10 years. Active Surveillance is important in low-risk cases, low grade cancers and limited size cancers. This includes having periodic PSA (Prostate Specific Antigen) testing …