Request for Prayer

My grandfather went last Friday to have a biopsy on a suspected lung tumor. The doctor is preparing us for operable lung cancer, and there were some slight hints that he might even avoid chemo if the cancer is large cell. I'd love for the lump to be non-malignant, or even not even cancerous. It'd be a wonderful miracle to use to witness to him. Otherwise, healing would be nice.

Update: The lump is definitely cancer, but as long as it hasn't spread to the lymph nodes, they think it can be treated with surgery only. This is certainly a blessing in a rough situation.