The man had swallowed the nails over a period of time.
"The patient is from North 24 Parganas district's Gobardanga. He was suffering from schizophrenia and had swallowed nails and soil regularly over a period of time," Dr Siddhartha Biswas, who conducted the operation yesterday, said.
"We made a 10 cm incision in the abdomen and removed the nails using a magnet. We have also extracted soil," Biswas said adding that the surgery lasted about an hour and 45 minutes.
He was immediately referred to the Calcutta Medical College and Hospital where X-rays and endoscopy had shown presence of nails around 2 to 2.5 inches long in the stomach.
"The patient is stable now. We are keeping him under observation before he is given a fitness certificate," Biswas said.
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