 [ Symptoms ] i have a small circle on my penis that looks like a scar i have only been with 1 girl and i was her only sexual partner have madturbated frequently no itch burn or pain just a flat smooth circle [ Disease ] hi sore throat and mucous production is related to your low immunity because of the bacterial pneumonia that u had it takes almost 6 9 months for a person to regain his overall immunity once he has suffered from bacterial pneumonia if your follow up xrays are clear and normal there is nothing to worry about it may just be chronic bronchitis do breathing exercises yoga and health supplements to increase your immunity thanks