I am 27 year old male. Around 1-2 weeks I have problem while passing urine. No burning sensation but I feel my bladder is not completely empty. When I wake up in the morning I feel that I have so urge to pass the urine but when I passed there is normally passing urine .when I take so much water then I have to go to pee many times sometimes I have to push hard to complete it but still it doesn't clean well. Also at night when I start sleeping, until I do not sleep, it seems that I will have to do pee. Then 5-6 drops coming out and I feel so anxious at that time. Should I go for usg if yes then what type of ultrasound do I need? Whole abdomen or lower ?is this sign of a prostate enlargement or cancer please tell me? Also no sign of blood no burning.