Welcome to Healthcaremagic,
You have the following symptoms
1. Lower abdominal pain
2. pain in left shoulder while lifting
3. Prominent Loss of weight and loss of appetite
5. Excessive sleep
Blood and urine report -Negative
From your symptoms, I suspect you may be suffering from either Genito Urinary Tuberculosis
or Intra Abdominal tumour.
So it is advisable to do furher investigstions
abdomen and Pelvis
2.Mantoux test(Tuberculin test)
3. Complete blood count
4. Stool for occult blood
5. CT and MRi
scan if Necessary
Before all investigations, You need proper physical examination by a doctor to find any enlargement of intra abdominal organs.
Please check your Blood pressure. As most of the patints with Renal disease
have increased blood pressure.
Consult your Family physician as earlier as possible.
Hope this helps.